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package
com.ww.yzpE;
public
class
insertArray {
public
void
insertArray(
int
[] arr,
int
index,
int
value){
for
(
int
j = arr.length -
1
; j >=index; j--) {
// 为要插入的数留出位置
arr[j] = arr[j -
1
];
}
arr[index-
1
] = value;
}
}
package
com.ww.yzpE;
import
java.util.Scanner;
public
class
TestInsert {
/**
* @param args
*/
public
static
void
main(String[] args) {
int
number[]=
new
int
[
5
];
Scanner in =
new
Scanner (System.in);
System.out.println(
"请输入依次输入5个整数:"
);
for
(
int
i =
0
; i < number.length; i++) {
number[i]=in.nextInt();
}
System.out.println(
"插入前:"
);
for
(
int
i=
0
;i<number.length;i++){
System.out.print(number[i]+
" "
);
}
insertArray util =
new
insertArray();
System.out.println(
"\n请输入要插入的位置:"
);
int
Position=in.nextInt();
System.out.println(
"请输入要插入的整数;"
);
int
num=in.nextInt();
util.insertArray(number, Position, num);
System.out.println(
"\n插入后"
);
for
(
int
i=
0
;i<number.length;i++){
System.out.print(number[i]+
" "
);
}
}
}
|
本文转自 Y幕徐 51CTO博客,原文链接:http://blog.51cto.com/765133133/1427435