Gadgets

Monday, 7 March 2016

Default values of all primitive data types

Write a java program to display default value of all primitive data types of java.

Default Values of all primitive data types:


Data Type
Default Value
byte
0
short
0
int
0
long
0L
float
0.0f
double
0.0d
char
‘u0000’
String
null
boolean
false

public class DefaultValue {
       byte b;
       short s;
       int i;
       long l;
       float f;
       double d;
       char ch;
       String str;
       boolean flag;      
       public static void main(String[] args) {             
              DefaultValue dv=new DefaultValue();
              System.out.println("byte value : " +dv.b);
              System.out.println("short value : " +dv.s);
              System.out.println("int value : " +dv.i);
              System.out.println("long value : " +dv.l);
              System.out.println("float value : " +dv.f);
              System.out.println("double value : " +dv.d);
              System.out.println("char value : " +dv.ch);
              System.out.println("String value : " +dv.str);
              System.out.println("boolean value : " +dv.flag);
       }
}

OUTPUT:

byte value : 0
short value : 0
int value : 0
long value : 0
float value : 0.0
double value : 0.0
char value :
String value : null
boolean value : false
we get blank space for char data type 

No comments:

Post a Comment