java中陣列的復制、反轉、查找。
package Array;
/*
* 陣列的復制、反轉、查找
*/
public class ArrayTest1 {
public static void main(String[] args) {
String[] arr = new String[] {"jj","dd","gg","ee","yy","ww"};
//陣列的復制(區別于陣列變數的賦值:arr1 = arr)
String[] arr1 = new String[arr.length];
for(int i = 0;i < arr1.length;i++ ) {
arr1[i] = arr[i];
System.out.print(arr[i] + "\t");
}
System.out.println("********************************");
//陣列的反轉
//方式一(定義新陣列)
String[] arr2 = new String[arr.length];
for(int j = arr2.length - 1 ;j >= 0;j--) {
arr2[j] = arr[j] ;
System.out.print(arr2[j] + "\t");
}
System.out.println("********************************");
//查找
//線性查找
String chazhao = "yy";
for(int i = 0;i < arr.length;i++) {
if(chazhao == arr[i]) {
System.out.println("有該元素位置為:" + i);
}
}
}
}
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