Set 1

Multiple Choice Question

QID: 
70

The options below contain the complete contents of a file (the name of the file is not specified).
Which of these options can be run with the following command line once compiled?

java main

Select 1 option

A. //in file main.java
class main {
public void main(String[] args) {
System.out.println("hello");
}
}
B. //in file main.java
public static void main4(String[] args) {
System.out.println("hello");
}
C. //in file main.java
public class anotherone{
}class main {
public static void main(String[] args) {
System.out.println("hello");
}
}
D. //in file main.java
class anothermain{
public static void main(String[] args) {
System.out.println("hello2");
}
}class main {
public final static void main(String[] args) {
System.out.println("hello");
}
}

Multiple Choice Question

QID: 
69

What is the correct parameter specification for the standard main method?

Select 2 options

A. void
B. String[ ] args
C. Strings args[ ]
D. String args
E. String args[ ]

Multiple Choice Question

QID: 
68

Which of the following are valid declarations:

Select 3 options

A. int a = b = c = 100;
B. int a, b, c; a = b = c = 100;
C. int a, b, c=100;
D. int a=100, b, c;
E. int a= 100 = b = c;

Multiple Choice Question

QID: 
67

Which of the following is/are illegal Java identifier(s)?

Select 1 option

A. num
B. int123
C. 2Next
D. _interface
E. a$_123

Multiple Choice Question

QID: 
66

Consider the following code appearing in a file named TestClass.java:

class Test{ }  // 1
public class TestClass {
   public int main(String[] args)  { // 2
       double x=10, double y;  // 3
       System.out.println[]; // 4
       
        for(int k =0; k<x; k++){ } 
        
       return 0;
   }
}

Which of the lines are invalid?

Select 1 option

A. // 1 and // 4
B. // 3 and // 4 
C. // 2 and // 4 
D. // 2 and // 3

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