package cn.wzx.www;
//1 1 2 3 5 8 13
public class Fibonacci {
public static void main(String[] args) {
// TODO 自动生成的方法存根
int i;
int[] arr = new int[30];
arr[0] = 1;
arr[1] = 1;
System.out.println(arr[0]);
System.out.println(arr[1]);
for (i = 2; i < arr.length; i++) {
arr[i] = arr[i - 1] + arr[i - 2];
System.out.println(arr[i]);
}
}
}
package cn.wzx.www;
public class Select {
public static void main(String[] args) {
// TODO 自动生成的方法存根
int i, j, temp;
int arr[] = { 100, 45, 39, 68, 99, 345, 436, 999, 234, 278 };
for (i = 0; i < arr.length - 1; i++) {
for (j = i + 1; j < arr.length; j++) {
if (arr[i] > arr[j]) {
temp = arr[i];
arr[i] = arr[j];
arr[j] = temp;
}
}
}
for (i = 0; i < arr.length; i++) {
System.out.println(arr[i]);
}
}
}
package cn.wzx.www;
public class Maopao {
public static void main(String[] args) {
// TODO 自动生成的方法存根
int i, j, temp=0;
int arr[] = { 100, 45, 39, 68, 99, 345, 436, 999, 234, 278 };
for(i=0;i<arr.length;i++){
for(j=0;j<arr.length-1;j++){
if(arr[j]>arr[j+1]){
temp=arr[j];
arr[j]=arr[j+1];
arr[j+1]=temp;
}
}
}
for (i = 0; i < arr.length; i++) {
System.out.println(arr[i]);
}
}
}
package cn.wzx.www;
public class PersonArr {
public static void main(String[] args) {
// TODO 自动生成的方法存根
person per[]=new person[3];
per[0]=new person ("张三",20);
per[1]=new person ("李四",30);
per[2]=new person ("王五",40);
for(int i=0;i<per.length;i++){
per[i].getinfo();
}
}
}
class person{
private String name;
private int age;
public person(String name,int age){
this.name=name;
this.age=age;
}
public void getinfo()
{
System.out.println("姓名: "+this.name+" 年龄: "+this.age);
}
}
