Would Like To Understand Linked Lists - Java | Dream.In.Code

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2 Replies - 37 Views - Last Post: Yesterday, 11:23 PM Rate Topic:

#1 ball4life ?

Reputation: 0

• Posts: 10
• Joined: 09-May 13

Posted Yesterday, 09:32 PM

Hi could someone please explain to me what the concepts of linked lists are in Java or lead me to helpful websites that could help explain them?

Is This A Good Question/Topic? 0

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Replies To: Would like to understand linked lists

#2 modi123_1 ?

Reputation: 6447

• Posts: 23,462
• Joined: 12-June 08

Re: Would like to understand linked lists

Posted Yesterday, 09:34 PM

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#3 Marva Jean ?

Reputation: 0

• Posts: 1
• Joined: Yesterday, 11:06 PM

Re: Would like to understand linked lists

Posted Yesterday, 11:23 PM

hi,

hope these websites makes you understand about linkedlist....

linkedlist

Linked list

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Source: http://www.dreamincode.net/forums/topic/321489-would-like-to-understand-linked-lists/

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Editor's desk: Home... for now!

It's the quiet in between storms. Both BlackBerry Live and Google I/O 2013 are over, yet #TM13 and more importantly, WWDC 2013 are fast approaching. Tomorrow's a public holiday here in Canada, but I'll be working through it. And there's a bunch of reasons for that. Cue the bullet list...

• BlackBerry Live, fun as it was, and awesome as the CrackBerry crew and John P. from GeekBeat.tv was to work with, it kept me away from a lot of what I had to do here on iMore. Both Peter and Richard, our new Mac and gaming, and news editors respectively, more than helped keep things going, but June is one of our busiest times and I'm going to have to haul ass now to catch up. There are still a lot of iOS 7 wants I have to add to my list. And if you have any as well, throw them in the comments!
• We're changing up the iMore show. It's going to move back to Wednesdays, move to earlier in the day, and take on more of a panel, more of an encompassing format. We won't just be talking news, but apps and accessories, and taking your help and how-to questions as well. In other words, it'll be more of a Mobile Nations-type show. And we'll be starting that in just a few days. If you have anything specific you want to see in the all-new iMore show, let me know asap!
• If you're a fan of the current iMore show, where I talk to other Apple and tech-centric people about specific subjects, don't worry. That won't be going away, it'll just be moving over slightly. Stay tuned!
• Georgia's show, ZEN & TECH will be adding something new to the mix. I'm calling them moments of ZEN & TECH, but Georgia hates that name so it'll likely change. Basically, they're going to be short segments on specific topics. Again, stay tuned.
• We just might be getting our media-centric podcast, Ad Hoc, back in gear. If you think this timing suggests Iron Man 3 and Star Trek: Into Darkness episodes, you're either a genius billionaire playboy philanthropist, a Vulcan, or both. The size and diversity of people we have on those shows makes scheduling them tricky, but we're going to get them done.
• Speaking of Vulcans and Avengers, if you hadn't heard already, Derek Kessler has gone full time on Mobile Nations. He'll be working across all our sites, and that means you should be seeing him even more often here on iMore. He's fantastic, we're lucky to have him, and please take a moment to join me in welcoming him into his new role!

And some news bites:

• Sounds like Yahoo! is buying Tumblr for 1.1 billion, at least according to Kara Swisher of AllThingsD. We'll cover it more fully in the near future, but for now I'm curious to know what the Tumblr users among us think? Yahoo! hasn't taken anything approaching good care of its web properties in recent years, but will new management and a hot new property make any difference?
• Apple sold 5 million iPhone 5 devices in one weekend, failed to meet expectations, and got lambasted for it in the media and the market. According to Philip Elmer-Dewitt in Fortune, Samsung has shipped (not sold) 10 million Galaxy S4 devices in 10 weeks. Yet that doesn't seem to have failed to meet any expectations, or gotten them lambasted in any of the same media or markets. Again, we'll cover that more fully in its own article, but in the meantime, does that tell us more about the expectations placed on both companies, the general perceptions, or both?

Photo: Mobile Nations Tango & Cash by Martin Reisch... Though I have no idea which of us is meant to be which of them...?

Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/qV7fTPIxMR8/story01.htm

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Obama delivers historic Morehouse commencement

President Obama gives the commencement address at Morehouse College, May 19, 2013. (Jason Reed/Reuters)

President Barack Obama took a break from the trifecta of controversies?IRS, Department of Justice, Benghazi?swirling around the White House on Sunday to deliver the commencement address at Morehouse College, the historically black, all-male institution in Atlanta.

"What I ask of you today is the same thing I ask of every graduating class I address," Obama told 500 graduates and an estimated 10,000 onlookers, most of them in ponchos, on the school's stormy, rain-soaked campus. "Use that power for something larger than yourself."

While the message may have been unremarkable, the occasion was historic: Obama became the first sitting president to address Morehouse, the alma mater of Dr. Martin Luther King Jr., whose spirit was evoked throughout the speech.

"Many of you know what it?s like to be an outsider, to be marginalized, to feel the sting of discrimination," Obama said. "That?s an experience that so many other Americans share. Hispanic Americans know that feeling when someone asks where they come from or tells them to go back. Gay and lesbian Americans feel it when a stranger passes judgment on their parenting skills or the love they share. Muslim Americans feel it when they?re stared at with suspicion because of their faith. Any woman who knows the injustice of earning less pay for doing the same work?she sure feels it."

Graduates of Morehouse's class of 2013 watch as Obama speaks, May 19, 2013. (Jason Reed/Reuters)

The president said that while it might be tempting for graduates to use their degrees for personal wealth, they should aim for more. "I know some of you came to Morehouse from communities where life was about keeping your head down and looking out for yourself," Obama said. "Maybe you feel like you escaped, and you can take your degree, get a fancy job and never look back. And don?t get me wrong?with the heavy weight of student loans, with doors open to you that your parents and grandparents could scarcely imagine, no one expects you to take a vow of poverty.

"It is not just the African-American community that needs you," Obama said. "The country needs you. The world needs you."

According to the Atlanta Journal Constitution, attendees arrived as early 3:30 a.m. to reserve a spot at the open-air ceremony.

The president said that growing up, he used to chalk up some of his own "bad choices" to being black.

"We know that too many young men in our community continue to make bad choices," Obama said. "Growing up, I made a few myself. And I have to confess, sometimes I wrote off my own failings as just another example of the world trying to keep a black man down. But one of the things you?ve learned over the last four years is that there?s no longer any room for excuses."

First-year Morehouse College president John Wilson introduced President Obama. Prior to taking the Morehouse job, Wilson ran the White House's historically black colleges and universities (HBCU) initiative.

After the ceremony, the president was scheduled to later attend a fundraiser for the Democratic Senatorial Campaign Committee at the home of Atlanta Falcons owner Arthur Blank.

It was Obama's second graduation speech in as many weeks. Last week, the president delivered the commencement address at Ohio State. His third and final speech of graduation season, at the U.S. Naval Academy in Annapolis, Md., is slated for Friday.

Source: http://news.yahoo.com/blogs/ticket/obama-morehouse-commencement-speech-172854207.html

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Famed 'hatchet hitchhiker' arrested in NJ homicide

ELIZABETH, N.J. (AP) ? A homeless, hatchet-wielding hitchhiker who became an Internet hero earlier this year was arrested Thursday for allegedly beating a New Jersey lawyer to death inside his home.

Caleb "Kai" McGillvary, whose star turn as "Kai the Hatchet Wielding Hitchhiker" came after he intervened in an attack on a California utility worker, was arrested at a Philadelphia bus station, Union County Prosecutor Theodore Romankow said.

"I believe that everyone is a little safer with this person off the streets," the prosecutor said. Philadelphia police could not immediately be reached for comment.

McGillvary was charged with killing Joseph Galfy, Jr., a Clark, N.J. attorney found dead Monday. Romankow said he will be processed and sent to back to New Jersey, where his bail is set at $3 million.

Galfy's body was found two days after authorities said he met McGillvary in New York City. Galfy, 73, was found wearing only his underwear and socks by police who went to his home to check on his well-being.

Statements posted on McGillvary's Facebook page following the homicide indicated the encounter was sexual in nature, Romankow said, though he declined to go into specific detail.

On his Facebook page, McGillvary's last post, dated Tuesday, asks "what would you do?" if you awoke in a stranger's house and found you'd been drugged and sexually assaulted. One commenter suggests hitting him with a hatchet ? and McGillvary's final comment on the post says, "I like your idea."

A hatchet helped give McGillvary a brief taste of fame in February when he gave a rambling, profanity-laced 5-minute interview to a Fresno, Calif. television station about thwarting an attack on a Pacific Gas & Electric employee. The interview went viral, with one version viewed more than 3.9 million times on YouTube. He later appeared on ABC's "Jimmy Kimmel Live!"

Kimmel asked him what people were saying to him since the Feb. 1 incident. "Hey, you're Kai, that dude with the hatchet," he responded.

McGillvary, who said in his TV appearance he prefers to be called "home-free" instead of homeless, traded on his newfound celebrity to meet fans across the country, according to Romankow.

McGillvary met Galfy on Saturday in Times Square, then spent at least two nights at his home on a cul-de-sac in Clark, a quite community about 20 miles west of New York, Romankow said. His movements after that included two trips to meet a fan in Asbury Park, a trip to Philadelphia and another to Glassboro in southern New Jersey before he took a train bound for Philadelphia, authorities said.

McGillvary swiftly gained notoriety in February after he intervened in an apparently unprovoked attack that led to charges including attempted murder.

McGillvary said he was riding in a car with a man who veered into the worker, got out of the car, then said "I am Jesus and I am here to take you home" before attacking. McGillvary said he then pulled a hatchet from his backpack and struck the driver in the head several times to subdue him, The Fresno Bee reported.

"That woman was in danger," Kai told KMPH-TV. "He just finished, what looked like at the time, killing somebody, and if he hadn't done that he would have killed more people."

Last month, the driver entered a plea of not guilty by reason of insanity, according to The Fresno Bee.

In his television interview, McGillvary also said he'd once intervened in what he called a domestic violence situation.

A man "starts beating up on this woman who he calls his," McGillvary told the television station. "I started smashing him in the head and the teeth."

McGillvary also goes by the names Kai Lawrence, Caleb Kai Lawrence and Kai Nicodemus, prosecutors said.

Source: http://news.yahoo.com/famed-hatchet-hitchhiker-arrested-nj-homicide-231626616.html

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Bombs connected to election kill 17 in Pakistan

PARACHINAR, Pakistan (AP) ? A pair of bombings in northwest Pakistan targeting individuals involved in this week's national elections killed 17 people on Tuesday, police said, taking the death toll from attacks on candidates and party workers to over 100 since the beginning of April.

In the deadlier of the two attacks, a suicide bomber on a motorcycle detonated his explosives near a vehicle carrying a candidate from a hard-line Islamist party, killing 12 people and wounding 35, police officer Haleem Khan said. It was the second attack on the Jamiat Ulema-e-Islam party in as many days.

The Taliban have carried out multiple attacks in the run-up to national elections scheduled for May 11. But most of the attacks have targeted secular parties that have opposed the militants and backed the army's attempt to clear them from their sanctuaries in the northwest.

The Islamist candidate who was targeted, Mufti Syed Janan, escaped unharmed, said Khan. The attack occurred as Janan's convoy passed through a market in the town of Doaba in northwest Khyber Pakhtunkhwa province, said Khan. Taliban spokesman Ahsanullah Ahsan denied any role in the attack.

Elsewhere on Tuesday, in the village of Babagam in Khyber Pakhtunkwa, a roadside bomb hit a vehicle carrying a local leader of a secular party ? the Pakistan People's Party, police officer Mohammed Wahid Khan said. The blast killed the leader, Zahir Shah, along with two of his guards and two supporters, Khan said. Shah was in the area campaigning for his brother, who is running for provincial assembly.

Pakistani Taliban spokesman Ahsanullah Ahsan claimed responsibility for the attack in a phone call to The Associated Press from an undisclosed location.

The bombings are the latest violence in an increasingly bloody electoral season, which has started to affect not only secular parties but now Islamists as well.

Just a day earlier, Jamiat Ulema-e-Islam was hit by another bomb in the northwest Kurram tribal region that left 25 people dead and 70 wounded, said government official Javed Khan. The targeted candidate was not harmed.

The Pakistani Taliban claimed responsibility for the attack Monday, claiming it was targeting a candidate who had supported military operations against the militants in the northwest. But the spokesman, Ahsan, denied any role in Tuesday's attack on the Jamiat Ulema-e-Islam candidate.

The Taliban attacks in the run-up to the election have raised concerns that the violence could benefit parties that take a softer line toward militants, like Jamiat Ulema-e-Islam, because there candidates are able to campaign more freely ahead of the vote.

But the Taliban have also condemned democracy as a whole, meaning that any political party taking part in the elections could be considered fair game by the militant group. Militants have called on people in many areas to stay away from the polls on election day.

The Jamiat Ulema-e-Islam party is considered supportive of the Afghan Taliban's fight against the United States and its allies in neighboring Afghanistan.

It's also sympathetic to the Pakistani Taliban, which have been fighting Pakistani troops and would like to establish a hardline Islamic government in Pakistan. The group's leaders have generally opposed the Pakistani military's operations against the militants and instead called for negotiating with them.

But that hasn't made the group immune.

In 2011, a suicide bomber struck a convoy in which the party's head, Maulana Fazlur Rehman, was traveling through northwestern Pakistan, killing 12 people.

____

Khan reported from Timergarah, Pakistan. Associated Press writer Riaz Khan contributed to this report from Peshawar, Pakistan.

Source: http://news.yahoo.com/bombs-connected-election-kill-17-pakistan-144456446.html

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Germany charges 4 with sending Iran reactor parts

BERLIN (AP) -- Federal prosecutors say they have charged three German-Iranian dual nationals and a German man with breaking export laws for allegedly supplying Iran with parts needed to build a nuclear reactor in violation of the country's trade embargo.

Prosecutors said in a statement Monday suspect Hamid Kh., 80, set up contact for Gholamali Ka., 70, and his son Kianzad Ka., 25, with German businessman Rudolf M., 78, whose Thuringia firm produced valves needed for a nuclear reactor's construction. Their last names were not released in accordance with German privacy laws.

The group is accused of supplying Iran with 92 German-made valves, and another 856 Indian-made valves, in 2010 and 2011.

They're accused of supplying the parts through front companies in other countries in deals worth millions of euros in total.

Source: http://news.yahoo.com/germany-charges-4-sending-iran-135141074.html

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'Big cat' was on loose in UK in 1903

24 April 2013 Last updated at 21:13 ET By Rebecca Morelle Science reporter, BBC World Service

Isla Gladstone, a curator at the Bristol Museum, where the cat is now on display, told the BBC's Rebecca Morelle that the cat spent some time in captivity

A "big cat" was on the loose in the English countryside at the turn of the last century, scientists say.

They believe a Canadian lynx was prowling around the fields of the South West in 1903 before being shot after attacking two dogs in Devon.

Tests on the animal revealed it had probably spent some time in captivity before escaping or being set free.

The animal had been donated to Bristol Museum at the time of its death and kept in its stores for decades.

The scientists' findings are published in the journal Historical Biology.

Dr Ross Barnett, a molecular biologist from the University of Copenhagen and the University of Durham, said: "I've seen one of these cats in the wild.

"They are pretty impressive cats - they are a reasonable size, and they have lots of fluffy fur which makes them look even bigger. They have sharp claws, teeth and strong muscles."

Beast of Bodmin

From blurry photos of the Beast of Bodmin Moor in Cornwall, to reports of a lion on the loose in Essex in 2012, the UK has a long tradition of spotting big cats.

Most of these claims are dismissed as misidentifications, hoaxes or even hallucinations, but not in this case.

In 1903, the unusual cat was donated to the Bristol Museum and Art Gallery. The museum's records state that it had been shot after attacking and killing two dogs close to Newton Abbot in Devon.

Unsure of exactly what it was, the exotic beast was stuffed, its skeleton preserved, and then the remains were tucked away in the museum's stores.

More than a century later, the cat was unearthed by a scientist who thought the find might be significant.

An analysis of the skeleton and mounted skin revealed that the animal was a Canadian lynx, which is about the size of a dog and usually found in Canada and the northern states of the US.

The researchers found that the animal's teeth were badly decayed.

Dr Barnett said: "We think it had probably been in captivity at some point in its life.

"It had lost all of its incisors, which would have been a pretty debilitating injury for a wild cat, but not a problem for one in captivity.

"It also had massive amounts of plaque on its molars, which are indication of it not having a wild diet - something with lots of wet cat food, essentially ready-processed meat like steaks."

The researchers believe that the lynx had been in captivity for some time, but they were unable to find any records of the cat's owner.

"Was it someone's pet? Was it part of a small menagerie that was travelling through the area? There aren't really any zoos nearby where it could have escaped from," Dr Barnett said.

The team is also unsure how long the animal had been at large in Devon before it was killed.

Its decayed teeth would have limited its chances in the wild, but the lynx is an adaptable animal, and may have been able to survive by preying on small mammals.

Felicity the Puma

While many big cat sightings remain unverified, sometimes the rumours do turn out to be true, and the team believes that the Canadian lynx is the earliest recorded example of an exotic cat on the loose in the UK.

Another case relates to a live puma that was captured in Inverness-shire in 1980 and had been living in the wild for a long period of time. It was called Felicity, and placed in a zoo.

But Dr Barnett said that these cases were few and far between.

He said: "It's all very good saying you saw a lion in Essex or a tiger in Shropshire, or wherever. But it is very difficult to estimate size of a species from a distance - especially if you are unfamiliar with them.

"So I would argue for continued scepticism, unless you have a body or specimen you can analyse."

Source: http://www.bbc.co.uk/news/science-environment-22263874#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa

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