由于以前没有接触过java中的二维数组,今天做这个题目时,被卡住了,
我能够写的代码如下:
public class Test4 { /**
* 写一个函数,使给定的一个二维数组(3*3)转置,即行列互换
*/
static int[][] a1 = new int[n][n];
public void transpose(int n){
boolean resul = false;
int t;
for(int i =0;i<a1.length;i++){
for(int j=i+1;j<a1[i].length;j++){
t = a1[i][j];
a1[i][j] = a1[j][i];
a1[j][i]= t;
}
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
System.out.println("请输入正整数:");
int a1 = sc.nextInt();
}
}
Test4 t4 = new Test4();
t4.transpose(4);
//输出结果
for(int i =0;i<a1.length;i++){
for(int j=0;j<a1[i].length;j++){
System.out.println("转置后的队列如下:"+a1[i][j]);
}
}
}}有很多部分还没有写完整,请求各位大侠的帮忙啦,让我学习一下,使用,谢谢啦
我能够写的代码如下:
public class Test4 { /**
* 写一个函数,使给定的一个二维数组(3*3)转置,即行列互换
*/
static int[][] a1 = new int[n][n];
public void transpose(int n){
boolean resul = false;
int t;
for(int i =0;i<a1.length;i++){
for(int j=i+1;j<a1[i].length;j++){
t = a1[i][j];
a1[i][j] = a1[j][i];
a1[j][i]= t;
}
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
for(int i=0;i<a.length;i++){
for(int j=0;j<a[i].length;j++){
System.out.println("请输入正整数:");
int a1 = sc.nextInt();
}
}
Test4 t4 = new Test4();
t4.transpose(4);
//输出结果
for(int i =0;i<a1.length;i++){
for(int j=0;j<a1[i].length;j++){
System.out.println("转置后的队列如下:"+a1[i][j]);
}
}
}}有很多部分还没有写完整,请求各位大侠的帮忙啦,让我学习一下,使用,谢谢啦
* 写一个函数,使给定的一个二维数组(3*3)转置,即行列互换
*/
static int[][] a1 = new int[3][3]; public void transpose(int n) {
int t;
for (int i = 0; i < a1.length; i++) {
for (int j = i + 1; j < a1[i].length; j++) {
t = a1[i][j];
a1[i][j] = a1[j][i];
a1[j][i] = t;
}
}
} public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner sc = new Scanner(System.in);
System.out.println("请输入9个正整数,以空格分隔:");
for (int i = 0; i < a1.length; i++) {
for (int j = 0; j < a1[i].length; j++) {
a1[i][j] = sc.nextInt();
}
}
Test4 t4 = new Test4();
t4.transpose(3);
// 输出结果
System.out.println("转置后的队列如下:");
for (int i = 0; i < a1.length; i++) {
for (int j = 0; j < a1[i].length; j++) {
System.out.print(a1[i][j]+" ");
}
System.out.println();
} }}
public static void transpose(int[][] a1) {
int t;
for(int i =0;i<a1.length;i++) {
for(int j=i+1;j<a1[i].length;j++) {
t = a1[i][j];
a1[i][j] = a1[j][i];
a1[j][i]= t;
}
}
}
}
public class Test {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int[][] a = new int[3][3];
System.out.println("请输入正整数:");
for(int i = 0; i < a.length; i++) {
for(int j = 0; j < a[i].length; j++) {
a[i][j] = sc.nextInt();
}
}
System.out.println("转置前的数列如下:");
for(int i = 0; i < a.length; i++) {
for(int j = 0;j < a[i].length; j++) {
System.out.print(a[i][j] + ' ');
}
System.out.println();
}
Test4.transpose(a);
System.out.println("转置后的数列如下:");
for(int i = 0; i < a.length; i++) {
for(int j = 0;j < a[i].length; j++) {
System.out.print(a[i][j] + ' ');
}
System.out.println();
} }
}