[Java]_ch6.7_方法設計II(陣列)

[Java]_ch6.7_方法設計II(陣列)



public class A6 {



public static void main(String[] args) {

int A[]=new int[5];

A[0]=10;

A[2]=20;

A[4]=30;

printOne(A,"A");

int B[]= {10,0,20,0,30};

printOne(B,"B");

int C[][]=new int[4][3];

C[0][1]=100;

C[1][0]=200;

C[2][2]=300;

C[3][1]=400;

printTwo(C,"C");

int D[][]= {{111,222,333},{444,555},{666,777,888,999}};

printTwo(D,"D");

int E[]=add100(A);

printOne(E,"E");

}

public static void printOne(int A[],String name) {

System.out.println(name+"陣列長度:"+A.length);

for(int i=0;i<A.length;i++) {

System.out.println(name+"["+i+"]="+A[i]);

}

System.out.println();

}

public static void printTwo(int A[][],String name) {

System.out.println(name+"陣列列數:"+A.length);

for(int i=0;i<A.length;i++) {

System.out.print("第"+i+"列長度:\t");

for(int j=0;j<A[i].length;j++) {

System.out.print(A[i][j]+"\t");

}

System.out.println();

}

}

public static int [] add100(int A[]) {

for(int i=0;i<A.length;i++) {

A[i]=A[i]+100;

}

return A;

}



}