Can';不要让计数器让Java工作
我是编程新手,我不能让计数器增加或存储每个do while循环的分数。该课程假设先为家庭作业取分数,然后取平均值,然后为测验取分数,然后取平均值,考试也是如此,最后将三个平均值一起取平均值Can';不要让计数器让Java工作,java,counter,Java,Counter,我是编程新手,我不能让计数器增加或存储每个do while循环的分数。该课程假设先为家庭作业取分数,然后取平均值,然后为测验取分数,然后取平均值,考试也是如此,最后将三个平均值一起取平均值 import java.util.Scanner; public class Homework3 { public static void main ( String[] args ) { Scanner input = new Scanner( System.in );
import java.util.Scanner;
public class Homework3 {
public static void main ( String[] args ) {
Scanner input = new Scanner( System.in );
int number1;
int totalhomework = 0;
int counterhomework = 0;
double averagehomework = 0;
String name;
int homeworkgrade = 0;
int totalquiz = 0;
int counterquiz = 0;
double averagequiz = 0;
int quizgrade = 0;
int totaltest = 0;
int countertest = 0;
double averagetest = 0;
int testgrade = 0;
double finalaverage = 0;
boolean run = true;
do {
System.out.print("\nEnter 1 to average grades for new student");
System.out.print("\n Enter 2 to quit");
number1 = input.nextInt();
if (number1 == 1) {
System.out.println("\nWhat is the student's name?");
name = input.next();
}
if (number1 == 2) {
System.out.print("\nThank you");
System.exit(1);
}
counterhomework = 0;
totalhomework = 0;
do {
counterhomework++;
totalhomework = totalhomework + homeworkgrade;
System.out.println("\nFirst enter Homework grades then type " +
"-1 to move onto next category"
);
homeworkgrade = input.nextInt();
} while(homeworkgrade != -1);
if (homeworkgrade == -1) {
System.out.print("\nYour Homework average is:" +
averagehomework
);
averagehomework = totalhomework/counterhomework;
}
do {
counterquiz = counterquiz +1;
System.out.print("\nNext enter quiz grades then type -1 " +
"to move onto next category"
);
totalquiz = totalquiz + quizgrade;
quizgrade = input.nextInt();
} while (quizgrade != -1);
if (quizgrade ==-1) {
System.out.print("\nYour quiz average is:" + averagequiz);
averagequiz = totalquiz/counterquiz;
}
do {
countertest = countertest +1;
System.out.print("\nFinally enter test grades then type " +
"-1 when finished"
);
totaltest = totaltest + testgrade;
testgrade = input.nextInt();
} while (testgrade != -1);
if (testgrade == -1) {
System.out.print("\nYour test average is:" +averagetest);
averagetest = totaltest/countertest;
}
System.out.print(name);
System.out.print("final average is:" + finalaverage);
finalaverage = 0.25 * averagehomework + 0.25 * averagequiz +
0.50 * averagetest;
} while (number1 != 2);
} //main
} //class
我猜你的问题是
平均作业=0.0
,这是因为你在计算之前先打印平均作业
,所以要:
averagehomework = totalhomework / counterhomework;
System.out.print("\nYour Homework average is:" + averagehomework);
您需要初始化name变量,如下所示:
String name = "";
反作业
需要通过-1
初始化您遇到了什么问题或异常?请在发布前清理您的代码。空白太多,选项卡不符合应用程序的嵌套结构。代码也太多。请给出实际和预期输出的示例输入。@user2814798。欢迎来到SO。至于你的格式问题,千万不要使用标签来设置代码的格式。不太顺利。遵循4个空格缩进规则。