Operators and Scopes

Quiz Guidelines

 

Multiple Choice Question

QID: 
327

Note: This question may be considered too advanced for this exam. For what command line arguments will the following program print true?

class TestClass{
    public static void main(String[] args){
        Integer i = Integer.parseInt(args[0]);
        Integer j = i;
        i--;
        i++;
        System.out.println((i==j));
    }
}

Select 3 options

A. 0
B. -1
C. 127 
D. -256 
E. 256 
F. For all the values between 0 and 255 (both included).

Multiple Choice Question

QID: 
326

Which of the following declarations are valid?

Select 3 options

A. float f1 = 1.0;
B. float f = 43e1;
C. float f = -1;
D. float f = 0x0123;    
E. float f = 4;

Multiple Choice Question

QID: 
325

Which of the following are also called as "short circuiting logical operators"?

Select 2 options

A. &
B. ||
C. &&
D. | 
E. ^

Multiple Choice Question

QID: 
324

Given:

int a = 1 + 2 + 3 * 4;
int b = 2 * 3 + 4;
int total = a + b;

What will be the value of total?

Select 1 option

A. 34
B. 38
C. 29 
D. 25

True or False

QID: 
323

The following code snippet will print true.

String str1 = "one";
String str2 = "two";
System.out.println( str1.equals(str1=str2) );

Select 1 option

A. True
B. False

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