Source code for CheckIntArrayExample1.java:

public class CheckIntArrayExample1
{
	public int checkIntArrays(int[] inputArray)
	{
		int aryIndex;
		int arySize = inputArray.length;
		for(aryIndex = 0; aryIndex < arySize; aryIndex++)
		{
			if(inputArray[aryIndex] > 20)
			{
				return(aryIndex);
			}  
		}
		return(-1);
	}
	
	public void testArray(int array[])
	{
		// Print the array then test it.
		System.out.print("Index of value > 20 for array {");
		boolean firstTime = true;
		for (int i=0; i

Output from CheckIntArrayExample1.java:

Index of value > 20 for array { 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 }:-1
Index of value > 20 for array { 5, 10, 15, 20, 25 }:4
Index of value > 20 for array { 20, 40, 60, 80, 100 }:1

--- Output Ends ---

NOTE:

To run this program:

• javac CheckIntArrayExample1.java
• java CheckIntArrayExample1