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Commit 4677def

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Add iterate linkedlist example
1 parent bad4042 commit 4677def

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5 files changed

+182
-0
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5 files changed

+182
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package com.gaurav.ExProject.LinkedList;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A java program to iterate over linkedList
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* using the java 8 foreach method.
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*
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* @author coderolls.com
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*/
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public class LinkedListForEachMethod {
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public static void main(String[] args) {
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List<String> linkedList = new LinkedList<String>();
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linkedList.add("Mango");
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linkedList.add("Banana");
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linkedList.add("Grapes");
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linkedList.add("Watermelon");
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linkedList.add("Apple");
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linkedList.add("Avocado");
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System.out.println("Iterating through LinkedList using forEach method and lamda expression........\n");
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// add lambda expression in the foreach method
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linkedList.forEach(s -> System.out.println("Object form the LinkedList is " + s));
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}
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}
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package com.gaurav.ExProject.LinkedList;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A java program to iterate over linkedList
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* using the basic for loop.
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*
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* @author coderolls.com
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*
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*/
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public class LinkedListForLoop {
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public static void main(String[] args) {
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List<String> linkedList = new LinkedList<String>();
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linkedList.add("Mango");
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linkedList.add("Banana");
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linkedList.add("Grapes");
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linkedList.add("Watermelon");
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linkedList.add("Apple");
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linkedList.add("Avocado");
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System.out.println("Iterating through LinkedList using the basic for loop!\n");
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int len = linkedList.size();
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// iterate over linkedList using basic for loop
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for (int i = 0; i < len; i++) {
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// get String object from linkedList at index i
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String str = linkedList.get(i);
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System.out.println("Object form the LinkedList at " + i + " is " + str);
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}
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}
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}
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package com.gaurav.ExProject.LinkedList;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A java program to iterate over linkedList
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* using the foreach loop.
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*
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* @author coderolls.com
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*
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*/
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public class LinkedListForeachLoop {
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public static void main(String[] args) {
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List<String> linkedList = new LinkedList<String>();
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linkedList.add("Mango");
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linkedList.add("Banana");
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linkedList.add("Grapes");
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linkedList.add("Watermelon");
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linkedList.add("Apple");
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linkedList.add("Avocado");
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System.out.println("Iterating through LinkedList using the foreach loop!\n");
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// iterate over linkedList using foreach loop
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for (String str: linkedList) {
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System.out.println("Object form the LinkedList is "+str);
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}
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}
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}
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package com.gaurav.ExProject.LinkedList;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A java program to iterate through LinkedList using Iterator interface.
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*
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* @author coderolls.com
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*
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*/
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public class LinkedListIterator {
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public static void main(String[] args) {
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List<String> linkedList = new LinkedList<String>();
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linkedList.add("Mango");
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linkedList.add("Banana");
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linkedList.add("Grapes");
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linkedList.add("Watermelon");
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linkedList.add("Apple");
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linkedList.add("Avocado");
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System.out.println("Iterating through LinkedList using Iterator interface........\n");
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// getting iterator
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Iterator<String> iterator = linkedList.iterator();
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// hasNext() returns true only if object is available at next call
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while (iterator.hasNext()) {
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// next() returns obejct, we can cast it to reuqired type
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String str = iterator.next();
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System.out.println("Object form the LinkedList is " + str);
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}
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}
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}
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package com.gaurav.ExProject.LinkedList;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* A java program to iterate over linkedList
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* using the while loop.
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*
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* @author coderolls.com
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*
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*/
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public class LinkedListWhileLoop {
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public static void main(String[] args) {
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List<String> linkedList = new LinkedList<String>();
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linkedList.add("Mango");
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linkedList.add("Banana");
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linkedList.add("Grapes");
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linkedList.add("Watermelon");
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linkedList.add("Apple");
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linkedList.add("Avocado");
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System.out.println("Iterating through LinkedList using the while loop!\n");
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int len = linkedList.size();
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// iterate over linkedList using while loop
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int i =0;
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while(i<len) {
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// get String object from linkedList at index i
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String str = linkedList.get(i);
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System.out.println("Object form the LinkedList is "+str);
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//increment index after getting the object
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i++;
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}
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}
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}

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