/*** @Description Arrays类讲解*/packagecom.aifu.array;importjava.util.Arrays;publicclassArrayDemo07{publicstaticvoidmain(String[] args){int[] a ={1,2,3,4,9090,31231,543,21,3,23};System.out.println(a);//[I@1b6d3586//打印数组元素System.out.println(Arrays.toString(a));printArray(a);Arrays.sort(a);//数组进行排序 ：升序System.out.println(Arrays.toString(a));Arrays.fill(a,0);//数组填充System.out.println(Arrays.toString(a));}//打印数组publicstaticvoidprintArray(int[] a){for(int i =0; i < a.length; i++){if(i==0){System.out.print("[");}if(i==a.length-1){System.out.println(a[i]+"]");}else{System.out.print(a[i]+", ");}}}}
