Monday, October 1, 2018

70+ Java Programming Example

Java Programming Example

JAVA PROGRAMMING EXAMPLE
Java Programming Example









Page No:-7

291. What will be the output of the following program?

 class Java
 {
 public static void main(String args[])
{
for(int i=2;i<8;i++)
{
if(i%3==0)
System.out.println(i+"\t");
}
}
  }
a. 3    
    6
b. 2
    6
c. compile-time error
d. Run-time error


292. What will be the print of the following code?

class Avi
{
public static void main(String args[])
{
double a = 9.5;
int b = (int)a;
System.out.println("a is="+ a+"\n b is="+b);
}
}
a. a is=9.0
    b is=9
b. a is=9.5   
    b is=9  
c. Compile-time error
d. None Of Above

293. What will be the output of the following program?

public class Java
{
public static void main(String args[])
{
int a = 0;
a = a++ + a;
System.out.println("K = " +a);
}
}
a. k= 0 
b. K = 2 
c. K= 1   
d. Compile-time Error.

294. What will be the print of the following code?

class Avi
{
private int i;
public static void main(String[] args) {
Avi avi = new Avi();
System.out.println(avi.i);
}
}
Output will be?
a.1
b.0   
c.2
d.Compile-time error

295. Which answer is correct of the following code?

class Java{
public static void main(String args[])
{
int i=4, j=5;
if (i==4)
if (j==5)
System.out.println("JAVA");
else
System.out.println("Programming ");
System.out.println("Language");
}
}
output will be?
a. JAVA
b. JAVA    
    Language
c. The error page will be show
d. null


296. What is the output of the following program?

class Avi
{
static int b = 1;
public static void main(String args[])
{
System.out.println(b+" ");
System.out.println(b);
}
public void m(int b)
{
b += 2;
}
}

a. 1 , 3 
b. 3 , 1 
c. 1 , 1 
d. 1 , 0


297. What will be the output of the following program?

class Array{
public static void main(String args[]){
int array[]=new int[3];
for(int i=1;i<array.length;i++)
array[i]=i;
for(int j=0;j<array.length;j++)
System.out.println(array[j]);
}
}
Output will be?
a. 0
   1
   2
   3
b. 0   
   1
   2
c. Compile-time error
d. Run-time error  .


298. What will be the output of the following code?

class Java
{
public static void main(String[] args)
{
boolean s = false;
int j = 1;
do
{
j++;
s =! s;

while (s);
System.out.println(j);
}
 }
a. run time error
b. compile-time error
c. 7
d. 3    

299. What will be the output of the following program?

public static void main(String[] args)
{
System.out.print("Java\nProgramming");
}
a. Java\nProgramming 
b. Java Programming
c. Java        
    Programming
d. Compile-time error


300. What will be the output of the following code?

 public static void main(String[] args)
{
      byte a=64,b,c;
     b= (byte) (a<<2);
     c=(byte) (a>>2);
     System.out.println("b is="+b);
     System.out.println("c is="+c);
}
output will be:-
a. b is=0     
    c is=16
b. b is=0
    c is=8
c. Compile-time error
d. Run-time error


301. Which answer is correct of the following code?
    
   class Avi
    {
   public static void main(String args[])
    {
          int a=6,d=3,b=4,e=1;
          System.out.println( - -a * d + e *b --);
     }
     }
a. 20
b. 21
c. 22   
d. 23

302.Method calling by parameter?

class Sum { void display(int a, int b) { System.out.println("Sum of the Number is="+(a+b)); } } public class Java { public static void main(String args[]) { Sum sum = new Sum(); sum.display(12, 15); } }

OutPut:-Sum of the Number is=27


303. What will be the output of the following program?

    class Avi 
    {    
        public void main( String[] args ) 
        {  
            System.out.println( "Java" + args[1] ); 
        } 
    }
a. Java
b. Run-time error
c. Compile-time error   
d. None of the above


304. What will be the output of the following program?

class Array{
public static void main(String args[]) {
String[] Names={"Avi","Joy","Ankita"};
Names[2]="Akash";
for(int i=0;i<Names.length;i++)
System.out.println(Names[i]);
}
}
Output will be?
a.Avi   
  Joy
  Akash
b.Avi
  Joy
  Ankita
c.Avi
  Ankita
  Akash
d.run-time error  

305. What will be the output of the following code?

class Java
{
public static void main(String[] args)
{
int k = 0;
int j = 0;
for (int i=0;i<=5;i++)
{
k++;
if (i==2) break;
j++;
}
System.out.println(k+", "+j);
}
}
a.Compile time error
b.3,2    
c.run time error
d.None of above

 [  Ans:- 291.a   292.b   293.c   294.b   295.b   296.c   297.b   298.d   299.c   300.a   301.c   302.a   303.c   304.a   305.b  ] 
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