Arrays方法的总结
public class TArrays {
?public? static void main(String[] args){
??String[] str1={"d","b","a","c"};
??
??Arrays.sort(str1);
//??Arrays.binarySearch()的用法必须要先Arrays.sort()排序后。
??System.out.println(Arrays.binarySearch(str1, "c"));
??
??for(int i=0;i<str1.length;i++){
???System.out.println(str1[i]);
??}
??
??System.out.println("---------------------------------");
??int[] in={3,5,7,2,1};
??
//??int[] inn=Arrays.copyOf(in, 2);
//??for(int i=0;i<inn.length;i++){
//???System.out.println(inn[i]);
//??}
??
??
??System.out.println("----------------------------------");
//??包含2，但不包含4；
??int[] ins=Arrays.copyOfRange(in, 2, 4);
??for(int i=0;i<ins.length;i++){
???System.out.println(ins[i]);
??}
??
??System.out.println("------------------------------------");
??int[] is={1,2,3};
??int[] isi={1,2,3};
//??比较两个数组是否相等。
??System.out.println(Arrays.equals(is, isi));
??
??System.out.println("-----------------------------------");
??
??int[] sis={5,7,9};
??Arrays.fill(sis,6);
??for(int i=0;i<sis.length;i++){
???System.out.println(sis[i]);
??}
??
?}
}
