数组3

package Demo05;

import java.lang.management.ManagementFactory;

public class Demo01 {
public static void main(String[] args) {
//静态初始化
int[] a = {1,2,3,4,5,6,7,8,9};
System.out.println(a[8]);

for (int i = 0; i < a.length ; i++) {
System.out.print(a[i]+"\t");
}

//动态初始化 : 包含默认初始化
int[] b = new int[10];
b[0] =8;
b[1] =9;
System.out.println(b[0]);
System.out.println(b[1]);
}
}

package Demo05;

public class Demo02 {
public static void main(String[] args) {
int[] arrays = {1, 2, 3, 4,5};

//打印所有的数组元素
for (int i = 0; i < arrays.length; i++) {
System.out.println(arrays[i]);
}
System.out.println("============");
//计算所有元素的和
int sum = 0;
for (int i = 0; i < arrays.length; i++) {
sum = sum + arrays[i];
}
System.out.println("sum="+sum);
//查找最大元素
int max = arrays[0];

for (int i = 0; i <arrays.length ; i++) {
if (arrays[i]>max){
max = arrays[i];
}
System.out.println("max="+max);
}
}
}