//用方法调用 数组中的最大值 public class MethodTest02 { public static void main(String[] args) { int[] arr = {11,22,54,23,1,99,5,77}; int number = getMax(arr); System.out.println("number: " + number); } public static int getMax(int[] arr){ int max = arr[0]; for(int x = 1;x < arr.length;x++){ if(arr[x] > max){ max = arr[x]; } } return max; } } //用方法的形式 遍历打印一个数组: public class MethodTest01 { public static void main(String[] args) { int arr[] = {11,22,33,44,55,88}; printArray(arr); } public static void printArray(int[] arr){ System.out.print("["); for(int x=0;x<arr.length;x++){ if(x == arr.length-1){ //遍历到最后一个元素的写法 System.out.print(arr[x]); }else{ System.out.print(arr[x] + "," ); } } System.out.println("]"); } }
//遍历数组最大值: public class ArryMax { public static void main(String[] args) { int[] arr = {12,45,98,73,60}; int max = arr[0]; for(int i=1; i<arr.length; i++){ if(arr[i] > max){ max = arr[i]; } } System.out.println("max:" + max); } } public class ArryMin { public static void main(String[] args) { int[] arr = {12,45,98,73,60}; int min = arr[0]; for(int i=1; i<arr.length; i++){ if(arr[i] < min){ min = arr[i]; } } System.out.println("min:" + min); } } //遍历数组 public class ArrDemo02 { public static void main(String[] args) { int[] arr = {11,22,33,44,55,66}; for(int i=0; i<arr.length; i++){ System.out.println(arr[i]); } } }