package lzb;
public class LIUZHIBO
{
public static void main(String[] args) { int[] arr = new int [30]; arr[0] = 1; arr[1] = 1; for(int i = 2;i < arr.length;i++) arr[i] = arr[i-1] + arr[i-2]; for(int i : arr) System.out.println(i); } }
package LZB; public class LIUZHIBO666 { public static void main(String[] args) { int[] arr={1,3,2,45,65,33,12}; System.out.println("交换之前:"); for(int num:arr){ System.out.print(num+" "); } for( int i = 0; i < arr.length - 1; i++) { int k = i; for(int j = k + 1; j < arr.length; j++){ if(arr[j] < arr[k]){
k = j; } } if(i != k){ int temp = arr[i]; arr[i] = arr[k]; arr[k] = temp;
} } System.out.println(); System.out.println("交换后:"); for(int num:arr){ System.out.print(num+" "); } } }
1 package LZB; 2 3 public class lzb666 { 4 public static void main(String[] args) 5 { int[] arr={12,45,23,67,56,34,99,123}; 6 System.out.println("排序前数组为:"); 7 for(int num:arr) 8 { 9 System.out.print(num+" "); 10 } 11 for(int i=0;i<arr.length-1;i++){ 12 for(int j=0;j<arr.length-1-i;j++){ 13 if(arr[j]>arr[j+1]){ 14 int temp=arr[j]; 15 arr[j]=arr[j+1]; 16 arr[j+1]=temp; 17 } 18 } 19 } 20 System.out.println(); 21 System.out.println("排序后的数组为:"); 22 for(int num:arr){ 23 System.out.print(num+" "); 24 } 25 } 26 }
1 package lzb; 2 3 public class PersonArray { 4 public static void main(String args[]) 5 { 6 person per[]=new person[3]; 7 per[0]=new person("张三",20); 8 per[1]=new person("李四",22); 9 per[2]=new person("王五",23); 10 for (int x=0;x<per.length;x++) 11 { 12 per[x].getinfo(); 13 } 14 } 15 } 16 class person 17 { 18 private String name; 19 private int age; 20 public person(String name,int age) 21 { 22 this.name=name; 23 this.age=age; 24 } 25 public void getinfo() 26 { 27 System.out.println("姓名: "+this.name+" 年龄: "+this.age); 28 } 29 }