juzhen.java

一些Java的小的应用程序

/***对称阵
6	8	6	96   6	

8	9	9	5	 85	

6	9	5	8	 9	

96  5   8   89   9	

6	85  9   9    8	
反对称阵
0	-8  -6	-96	 -6	

8	 0	-9	-5	 -85	

6    9	 0	-8	 -9	

96	 5	 8	 0	 -9	

6	 85	 9	 9	  0	*/

import java.io.BufferedReader;
import java.io.InputStreamReader;


public class Juzhen {
	public static void main(String  args[]){
		try{BufferedReader input=new BufferedReader
			(new InputStreamReader(System.in));
		int[][] a,b;
		System.out.println("Enter an Integer ");
		int n=Integer.parseInt(input.readLine());
		a=new int [n][n];
		b=new int [n][n];
		int m=0;
		for(int i=0;i<n;i++)
			for(int j=0;j<n;j++){
				System.out.printf("Enter the %d%d number.",i,j);
				m=Integer.parseInt(input.readLine());
				a[i][j]=m;
				a[j][i]=m;
				b[i][j]=m;
				b[j][i]=-m;
			}
		for(int i=0;i<n;i++)b[i][i]=0;
		for(int i=0;i<n;i++)
			{for(int j=0;j<n;j++)
				System.out.print(a[i][j]+"\t");
		System.out.println();System.out.println();}
		System.out.println();
		for(int i=0;i<n;i++)
			{for(int j=0;j<n;j++)
				System.out.print(b[i][j]+"\t");
		System.out.println();System.out.println();}
}catch(Exception e){
	System.out.println("Error!");	
}}}