Java-如何添加分隔的数字
这是我的代码:Java-如何添加分隔的数字,java,Java,这是我的代码: Scanner input = new Scanner(System.in); System.out.print("Enter a number: "); String happyNumber = input.nextLine(); int happyNum = Integer.parseInt(happyNumber); happyNum *= happyNum; int answer = 0; for (char ch : Integer.toSt
Scanner input = new Scanner(System.in);
System.out.print("Enter a number: ");
String happyNumber = input.nextLine();
int happyNum = Integer.parseInt(happyNumber);
happyNum *= happyNum;
int answer = 0;
for (char ch : Integer.toString(happyNum).toCharArray()) {
int digit = ch - '0';
answer = digit * digit;
System.out.print(answer);
}
例如:
输入一个数字:7
输出为:
16
81
现在,伙计们,我想加上16和81。总数为97。我尝试过研究,但仍然无法解决这个简单的问题。用一个总数来记录你的总数=)
试着理解代码的变化。我在我添加的每一行中都添加了//NEW您尝试了哪些研究?我搜索了如何添加分隔的数字,但它们的问题与我的不同。不要告诉我们是您做的,让我们看看。我尝试了答案=答案+答案,但它是错误的。因为变量的答案被分为2个数字16和81。明白了,先生!谢谢你的帮助。这是一个额外的信息,因为我是Java新手。
Scanner input = new Scanner(System.in);
System.out.print("Enter a number: ");
String happyNumber = input.nextLine();
int happyNum = Integer.parseInt(happyNumber);
happyNum *= happyNum;
int answer = 0;
int sum = 0; //NEW
for (char ch : Integer.toString(happyNum).toCharArray()) {
int digit = ch - '0';
answer = digit * digit;
sum = sum + answer;//NEW
System.out.print(answer);
}
System.out.print("Sum: " + sum);//NEW