» » Type Casting in java?

Type Casting:

Type casting means to explicitly convert one type of data to another type of data. 

Type casting has 2 types:
  • Upcasting
  • Downcasting

Upcasting:

Converting lower type value to upper type value is known as Upcasting.
http://instanceofjavaforus.blogspot.in/

Program:

package com.instanceofjavaforus;
public class Upcastingtest {
public static void main(String[] args) {
int a=100;
long b=a;
float c=b;
System.out.println(a);
System.out.println(b);
System.out.println(c);
}

}

Output:

100
100
100.0

Downcasting:

Converting upper type value to lower type value is known as Downcasting.
http://instanceofjavaforus.blogspot.in/

Program:

package com.instanceofjavaforus;
public class Downcastingtest {
public static void main(String[] args) {
double a=10.4;
long b=(long)a;
int c=(int)b;
System.out.println(a);
System.out.println(b);
System.out.println(c);
}

}

Output:

10.4
10
10

Program :

package com.instanceofjavaforus;
class Simple{
public static void main(String args[]){

char ch = 'A';
long a = ch;
System.out.println(a);
}

}

Output:
65

Program:

package com.instanceofjavaforus;
class Simple{
public static void main(String args[]) {
double d = 10.5;
int i = (int) d;
System.out.println(i);
}
}

Output:
10

Instance Of Java

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