How do I pass values to an array without creating variables?

Question

public static void testArray(int[]a)
{
    for(int i:a)
    {

        if(i==10)
        {
        System.out.println("Number 10 exists !");
        }
    }
}

I want to pass parameters to this method without creating variables. I want to call it like so:

testArray({5, 10, 15});

Is this possible?

Oliver Charlesworth · Accepted Answer · 2011-11-15 21:20:10Z

8

testArray(new int[]{5, 10, 15});

answered Nov 15, 2011 at 21:20

Oliver Charlesworth

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Nazarii Bardiuk · Accepted Answer · 2011-11-15 21:23:13Z

3

public static void testArray(int ... a)
{ 
    for(int i:a)
        if(i==10)
            System.out.println("Number 10 exists !");
}

testArray(5, 10, 15);

answered Nov 15, 2011 at 21:23

Nazarii Bardiuk

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3 Comments

Reacen Over a year ago

Whaaat !? "int ... a" are you sure?

Nazarii Bardiuk Over a year ago

It is "Variable Arguments" download.oracle.com/javase/1,5.0/docs/guide/language/…

Oliver Charlesworth Over a year ago

This answer should point out that this is only viable for the last method argument.

Bhesh Gurung · Accepted Answer · 2011-11-15 21:23:09Z

1

testArray(new int[] {1,2,3,4});

edited Nov 15, 2011 at 21:23

Bhesh Gurung

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answered Nov 15, 2011 at 21:22

zmbq

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