- 打印矩阵和矩阵加法
package cn.itcast.java.test;
public class TestMatrix {
/**
* 矩阵加法
* @param a
* @param b
* @return
*/
public static int[][] add(int[][] a,int[][] b){
int len = a.length;
int[][] c = new int[len][len];
for(int i=0;i<len;i++){
for(int j=0;j<len;j++){
c[i][j] = a[i][j]+b[i][j];
}
}
return c;
}
public static void printMatrix(int[][] arr){
int len = arr.length;
for(int i=0;i<len;i++){
for(int j=0;j<len;j++){
System.out.print(arr[i][j]+"\t");
}
System.out.println();
}
}
public static void main(String[] args) {
int[][] a = {{1,2},{3,4}};
int[][] b = {{5,6},{7,8}};
int[][] c = add(a, b);
printMatrix(c);
}
}
package cn.itcast.java.test; public class TestMatrix { /** * 矩阵加法 * @param a * @param b * @return */ public static int[][] add(int[][] a,int[][] b){ int len = a.length; int[][] c = new int[len][len]; for(int i=0;i<len;i++){ for(int j=0;j<len;j++){ c[i][j] = a[i][j]+b[i][j]; } } return c; } public static void printMatrix(int[][] arr){ int len = arr.length; for(int i=0;i<len;i++){ for(int j=0;j<len;j++){ System.out.print(arr[i][j]+"\t"); } System.out.println(); } } public static void main(String[] args) { int[][] a = {{1,2},{3,4}}; int[][] b = {{5,6},{7,8}}; int[][] c = add(a, b); printMatrix(c); } }