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ArrayLoopWays.java
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64 lines (54 loc) · 1.39 KB
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package Codes;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.ListIterator;
public class ArrayLoopWays {
void evenOdd2(int i) {
if (i % 2 == 0) {
System.out.println("Even " + i);
} else {
System.out.println("Odd " + i);
}
}
static void evenOdd(int i) {
if (i % 2 == 0) {
System.out.println("Even " + i);
} else {
System.out.println("Odd " + i);
}
}
public static void main(String[] args) {
ArrayList<Integer> numList = new ArrayList<>();
numList.add(100);
numList.add(7);
numList.add(300);
numList.add(10);
numList.add(9);
// 1st Way
/*
* int sum = 0; for(int i = 0; i<numList.size(); i++){ sum = sum +
* numList.get(i); System.out.println(numList.get(i)); }
* System.out.println("Sum is "+sum);
*/
// 2nd Way
/*
* Iterator<Integer> i = numList.iterator(); while(i.hasNext()){
* System.out.println(i.next()); //i.remove(); }
*/
// 3rd Way
/*
* ListIterator<Integer> i= numList.listIterator(); while(i.hasNext()){
* System.out.println(i.next()); //i.remove(); }
* System.out.println("**************"); while(i.hasPrevious()){
* System.out.println(i.previous()); //i.remove(); }
*/
// 4th Way
/*
* for(Integer i : numList){ System.out.println(i); }
*/
// 5th Way
// numList.forEach(ArrayLoopWays::evenOdd);
ArrayLoopWays obj = new ArrayLoopWays();
numList.forEach(obj::evenOdd2);
}
}