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Add coding examples

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	`1`	`+package com.gaurav.ExProject.ArrayList;`
	`2`	`+`
	`3`	`+import java.util.ArrayList;`
	`4`	`+/**`
	`5`	`+ * An example java program for ensureCapacity(int MinCapacity) method`
	`6`	`+ * of the ArrayList class in java.`
	`7`	`+ * @author Gaurav at coderolls.com`
	`8`	`+ *`
	`9`	`+ */`
	`10`	`+public class ArrayListEnsureCapacityExample {`
	`11`	`+`
	`12`	`+ public static void main(String[] args) {`
	`13`	`+`
	`14`	`+ // create an empty arraylist object 'states'`
	`15`	`+ ArrayList<String> states = new ArrayList<>();`
	`16`	`+`
	`17`	`+ // add state in the arraylist`
	`18`	`+ states.add("California");`
	`19`	`+ states.add("Texas");`
	`20`	`+ states.add("Montana");`
	`21`	`+ states.add("Arizona");`
	`22`	`+ states.add("Florida");`
	`23`	`+ states.add("Michigan");`
	`24`	`+ states.add("New Jersey");`
	`25`	`+ states.add("Washington");`
	`26`	`+ states.add("Ohio");`
	`27`	`+ states.add("Minnesota");`
	`28`	`+ states.add("Colorado");`
	`29`	`+ states.add("Missouri");`
	`30`	`+ states.add("Nevada");`
	`31`	`+ System.out.println("ArrayList Elements are: \n"+ states);`
	`32`	`+ //We need to add more states, so we will ensure`
	`33`	`+ //that arraylist should hold 50 elements`
	`34`	`+ states.ensureCapacity(50);`
	`35`	`+`
	`36`	`+ System.out.println("\nWe ensured that the arraylist should hold 50 elements.");`
	`37`	`+ }`
	`38`	`+`
	`39`	`+}`

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	`1`	`+package com.gaurav.ExProject.ArrayList;`
	`2`	`+`
	`3`	`+import java.util.ArrayList;`
	`4`	`+import java.util.ListIterator;`
	`5`	`+/**`
	`6`	`+ * An example java program about the listIterator()`
	`7`	`+ * method of the arrayList.`
	`8`	`+ *`
	`9`	`+ * @author coderolls.com`
	`10`	`+ */`
	`11`	`+public class ArrayListListIteratorExample {`
	`12`	`+`
	`13`	`+ public static void main(String[] args) {`
	`14`	`+`
	`15`	`+ ArrayList<String> states = new ArrayList<>();`
	`16`	`+`
	`17`	`+ // add state in the arraylist`
	`18`	`+ states.add("California");`
	`19`	`+ states.add("Texas");`
	`20`	`+ states.add("Montana");`
	`21`	`+ states.add("Arizona");`
	`22`	`+ states.add("Florida");`
	`23`	`+ states.add("Michigan");`
	`24`	`+ states.add("New Jersey");`
	`25`	`+ states.add("Washington");`
	`26`	`+ states.add("Ohio");`
	`27`	`+`
	`28`	`+ ListIterator<String> itr = states.listIterator();`
	`29`	`+`
	`30`	`+ while(itr.hasNext()) {`
	`31`	`+ String state = itr.next();`
	`32`	`+ System.out.println("The state :"+ state);`
	`33`	`+ }`
	`34`	`+ }`
	`35`	`+}`

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.ListIterator;`
	`5`	`+/**`
	`6`	`+ * An example java program about the listIterator()`
	`7`	`+ * method of the arrayList.`
	`8`	`+ *`
	`9`	`+ * @author coderolls.com`
	`10`	`+ */`
	`11`	`+public class ArrayListListIteratorExample2 {`
	`12`	`+`
	`13`	`+ public static void main(String[] args) {`
	`14`	`+`
	`15`	`+ ArrayList<String> states = new ArrayList<>();`
	`16`	`+`
	`17`	`+ // add state in the arraylist`
	`18`	`+ states.add("California");`
	`19`	`+ states.add("Texas");`
	`20`	`+ states.add("Montana");`
	`21`	`+ states.add("Arizona");`
	`22`	`+ states.add("Florida");`
	`23`	`+ states.add("Michigan");`
	`24`	`+ states.add("New Jersey");`
	`25`	`+ states.add("Washington");`
	`26`	`+ states.add("Ohio");`
	`27`	`+`
	`28`	`+ //given index 3 iterator start from element with index 3`
	`29`	`+ ListIterator<String> itr = states.listIterator(3);`
	`30`	`+`
	`31`	`+ while(itr.hasNext()) {`
	`32`	`+ String state = itr.next();`
	`33`	`+ System.out.println("The state :"+ state);`
	`34`	`+ }`
	`35`	`+ }`
	`36`	`+}`

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.ListIterator;`
	`5`	`+/**`
	`6`	`+ * An example java program about the listIterator()`
	`7`	`+ * method of the arrayList.`
	`8`	`+ *`
	`9`	`+ * @author coderolls.com`
	`10`	`+ */`
	`11`	`+public class ArrayListListIteratorException {`
	`12`	`+`
	`13`	`+ public static void main(String[] args) {`
	`14`	`+`
	`15`	`+ ArrayList<String> states = new ArrayList<>();`
	`16`	`+`
	`17`	`+ // add state in the arraylist`
	`18`	`+ states.add("California");`
	`19`	`+ states.add("Texas");`
	`20`	`+ states.add("Montana");`
	`21`	`+ states.add("Arizona");`
	`22`	`+ states.add("Florida");`
	`23`	`+ states.add("Michigan");`
	`24`	`+ states.add("New Jersey");`
	`25`	`+ states.add("Washington");`
	`26`	`+ states.add("Ohio");`
	`27`	`+`
	`28`	`+ //given index 120, it will throw IndexOutOfBoundsException`
	`29`	`+ ListIterator<String> itr = states.listIterator(120);`
	`30`	`+`
	`31`	`+ while(itr.hasNext()) {`
	`32`	`+ String state = itr.next();`
	`33`	`+ System.out.println("The state :"+ state);`
	`34`	`+ }`
	`35`	`+ }`
	`36`	`+}`

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