public?class?Y{
public?static?void?main(String[]?args){ Scanner?in=new?Scanner(System.in); System.out.println("請輸入第壹個整數"); int?a=in.nextInt(); System.out.println("請輸入第二個整數"); int?b=in.nextInt(); System.out.println("請輸入第三個整數"); int?c=in.nextInt(); if(a==b&&b==c){System.out.println("這三個數相等");
}else?if((a+b+c)>1000){System.out.println("這三個數之和大於1000");
}else{
System.out.println("這三個數之和小於1000");
}?
}}
樓主語法還不懂,建議先看看書或者視頻先,這是以前看的學習視頻