1. What is the value of "d" after this line of code has been executed?
double d = Math.round ( 2.5 + Math.random( ));

2
3
4
2.5

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2. Which of the following would compile without error?

int a = Math.abs(-5);
int b = Math.abs(5.0);
int c = Math.abs(5.5F);
int d = Math.abs(5L);

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3. Which of the following are valid calls to
Math.max?
Math.max(1,4)
Math.max(2.3, 5)
Math.max(1, 3, 5, 7)
Math.max(-1.5, -2.8f)

1, 2 and 4
2, 3 and 4
1, 2 and 3
2, 3 and 4

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4. public class Myfile
{
    public static void main (String[] args)
    {
        String biz = args[1];
        String baz = args[2];
        String rip = args[3];
        System.out.println("Arg is " + rip);
    }
}

Select how you would start the program to cause it to print: Arg is 2

java Myfile 222
java Myfile 1 2 2 3 4
java Myfile 1 3 2 2
java Myfile 0 1 2 3

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Java - Java.lang Class

Java - Java.lang Class

Java Programming