//已知有一個數組,
/*數組里面的元素有a b c d e f y z, 從控制台中隨機輸入一個字母, 按照升序的順序插入到該數組中並且遍歷輸出。*/
public static void test1(){
String [] str={"a","b","c","d","e","f","y","z"};
String [] str1=new String[str.length+1];
System.out.println("原來數組里面的元素");
for (String s : str) {
System.out.print(s+" ");
}
//賦值數組
for(int i = 0;i<str.length;i++){
str1[i] =str[i];
}
System.out.println("\n請輸入要插入的元素:");
Scanner sc = new Scanner(System.in);
String name= sc.next();
//找到需要插入的位置
int index =0;
for(int i = 0;i<str.length;i++){
if(str[i].compareToIgnoreCase(name)>0){
index = i;
break;
}
}
//元素往后移動
for (int i =str1.length-1; i >index; i--) {
str1[i] = str1[i-1];
}
//在指定位置插入新元素
str1[index] = name;
System.out.println("插入之后的數組是:");
for (String s : str1) {
System.out.print(s+" ");
}
}
運行結果如圖所示:
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