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public static void main(String[] args) { String a = "安澈澈"; char b= 'm'; int age = 21; int c = b; System.out.println(a+" "+ b +" " +"人工智能"); System.out.println(age >=18?"我已经成年了":"我还未成年"); }
public static void main(String[] args) { int age = 21; if (age>18) { System.out.println("成年");}else{ System.out.println("未成年"); } }
public static void main(String[] args) { int j=1; int total=1; String c= "1"; while(j<=10) {total*=j; j++; c = c+"*"+(j-1); System.out.println(c+"="+total);} }
public static void main(String[] args) { int[][] arr=new int[3][3]; for(int i=0;i<3;i++){ for (int j=0;j<3;j++){ Scanner sc = new Scanner(System.in); System.out.println("输入: "); arr[i][j]=sc.nextInt(); }} for(int i=0;i<3;i++){ for (int j=0;j<3;j++){ System.out.print(arr[i][j]+" "); }} }
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