## Surface area of the tetrahedron in java

Posted By: Java Examples - 10:27 PM

What is a Tetrahedron?

 Thanks mathematische-basteleien.de

## Compute the area and the circumference of the triangle in java

Posted By: Java Examples - 10:22 PM

Source code

```import java.util.*;
import java.lang.Math;
public class Triangle{
double s1,s2,s3;
Triangle(){```

## Calculate age in java using JFrame

Posted By: Java Examples - 10:31 PM
Java version of the   Age problem  is given below:
```/**
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package age;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
*
* @author ACHCHUTHAN
*/
public class age extends JFrame implements ActionListener {
```

## Calculate yesterday and tomorrow date in any year in java

Posted By: Java Examples - 10:13 PM
Java version of the  this problem is given below :
```/**
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package age;

import java.util.Scanner;

/**
*
* @author ACHCHUTHAN
*/
public class date {
```

## Sorting a two dimensional matrix in java

Posted By: Java Examples - 8:47 PM

## Sorting  matrix

```class Sort_Matrix{
public static void main (String args[]){
int [][] M ={ {1,2,3,4},{2,3,4,5},
{5,6,7,8},{6,7,8,5},{3,7,9,3} };
for(int r=0;r<5;r++){
for(int c=0;c<4;c++){
System.out.print(M[r][c]+"\t ");
}
System.out.println();
}```