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Add for-each loop and arraylist get method example

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Lines changed: 41 additions & 0 deletions

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	`1`	`+package com.gaurav.ExProject.ArrayList;`
	`2`	`+`
	`3`	`+import java.util.ArrayList;`
	`4`	`+import java.util.List;`
	`5`	`+`
	`6`	`+/**`
	`7`	`+ * A java program to get the element by`
	`8`	`+ * its index using the get() method`
	`9`	`+ *`
	`10`	`+ * @author Gaurav Kukade at coderolls.com`
	`11`	`+ *`
	`12`	`+ */`
	`13`	`+public class ArrayListGetExample {`
	`14`	`+`
	`15`	`+ public static void main(String[] args) {`
	`16`	`+`
	`17`	`+ List<String> list = new ArrayList<String>();`
	`18`	`+`
	`19`	`+ list.add("Monday");`
	`20`	`+ list.add("Tuesday");`
	`21`	`+ list.add("Wednesday");`
	`22`	`+ list.add("Thursday");`
	`23`	`+ list.add("Friday");`
	`24`	`+ list.add("Saturday");`
	`25`	`+ list.add("Sunday");`
	`26`	`+`
	`27`	`+ System.out.println("Arraylist:"+ list);`
	`28`	`+`
	`29`	`+ // get element at index 3`
	`30`	`+ String element = list.get(3);`
	`31`	`+ System.out.println("\nElement at index 3 is "+ element);`
	`32`	`+`
	`33`	`+ System.out.println("\nUsing get() method in for loop: \n");`
	`34`	`+`
	`35`	`+ // using the get(0 method in for loop`
	`36`	`+ for(int i=0; i<list.size(); i++) {`
	`37`	`+ System.out.println("The element at index "+i+" is "+ list.get(i));`
	`38`	`+ }`
	`39`	`+ }`
	`40`	`+`
	`41`	`+}`

Lines changed: 23 additions & 0 deletions

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	`1`	`+package com.gaurav.ExProject.ArrayList;`
	`2`	`+`
	`3`	`+/**`
	`4`	`+ * A java program to traverse the array using the`
	`5`	`+ * for-each loop i.e. enhanced for loop`
	`6`	`+ *`
	`7`	`+ * @author Guarav Kukade at coderolls.com`
	`8`	`+ *`
	`9`	`+ */`
	`10`	`+public class ArrayForEachExample {`
	`11`	`+`
	`12`	`+ public static void main(String[] args) {`
	`13`	`+`
	`14`	`+ // create an array of marks`
	`15`	`+ int[] numbers = { 88, 95, 65, 76, 78, 45, 95, 96, 56};`
	`16`	`+`
	`17`	`+ // traversing the array using for-each loop`
	`18`	`+ for(int number: numbers) {`
	`19`	`+`
	`20`	`+ System.out.println("The number is "+ number);`
	`21`	`+ }`
	`22`	`+ }`
	`23`	`+}`

Lines changed: 36 additions & 0 deletions

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	`1`	`+package com.gaurav.ExProject.ArrayList;`
	`2`	`+`
	`3`	`+import java.util.ArrayList;`
	`4`	`+import java.util.List;`
	`5`	`+`
	`6`	`+/**`
	`7`	`+ * A java program to traverse the collection using`
	`8`	`+ * the for-each loop i.e. enhanced for loop`
	`9`	`+ *`
	`10`	`+ * @author Gaurav Kukade at coderolls.com`
	`11`	`+ *`
	`12`	`+ */`
	`13`	`+public class ArrayListForEachExample {`
	`14`	`+`
	`15`	`+ public static void main(String[] args) {`
	`16`	`+`
	`17`	`+ // create an empty arraylist of Integer`
	`18`	`+ List<Integer> numbers = new ArrayList<Integer>();`
	`19`	`+`
	`20`	`+ //add number to the list`
	`21`	`+ numbers.add(1);`
	`22`	`+ numbers.add(8);`
	`23`	`+ numbers.add(8);`
	`24`	`+ numbers.add(5);`
	`25`	`+ numbers.add(4);`
	`26`	`+ numbers.add(6);`
	`27`	`+ numbers.add(3);`
	`28`	`+ numbers.add(2);`
	`29`	`+ numbers.add(9);`
	`30`	`+`
	`31`	`+ //traversing the collection using for-each loop`
	`32`	`+ for(Integer number: numbers) {`
	`33`	`+ System.out.println("The number is "+ number);`
	`34`	`+ }`
	`35`	`+ }`
	`36`	`+}`

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