More Questions on This Topic :

Question 1. Which of the following is the correct expression that evaluates to true if the number x is between 1 and 100 or the number is negative?
  1.    1 < x < 100 || x < 0
  2.    ((x < 100) && (x > 1)) || (x < 0)
  3.    ((x < 100) && (x > 1)) && (x < 0)
  4.    (1 > x > 100) || (x < 0)
Answer: Option B

Question 2. Public class Test{
      public static void main(String args[]){
            System.out.print(""=="");
            System.out.print(" ");
            System.out.print("A"=="A");
            System.out.print(" ");
            System.out.print("a==A");
      }
}
  1.    "==" A"=="A a==A
  2.    true true false
  3.    true true a==A
  4.    Compilation Fails
  5.    None of the above
Answer: Option C

Question 3. What will be the output?
public class Test{
public static void main(String args[]){
int a = 42;
double b = 42.25;
System.out.print((a%10)+" "+(b%10));
}
}
  1.    42 42.5
  2.    2 2.5
  3.    4.2 4.225
  4.    2 4.225
  5.    Compilation Error
Answer: Option B

Question 4. Select from among the following character escape code which is not available in Java.
  1.    \t
  2.    \r
  3.    \a
  4.    \\
  5.    \v
Answer: Option C

Question 5. What is the output of the following program ?
class Numbers{
public static void main(String args[]){
int a=20, b=10;
if((a < b) && (b++ < 25)){
System.out.println("This is any language logic");
}
System.out.println(b);
}
}
  1.    12
  2.    11
  3.    10
  4.    Compilation Error
Answer: Option C

Question 6. Int ++a = 100 ;
System.out.println( ++a ) ;
What will be the output of the above fraction of code ?
  1.    100
  2.    Displays error as ++a is not enclosed in double quotes in println statement
  3.    Compiler displays error as ++a is not a valid identifier
  4.    None of these
Answer: Option C