在java上只取一个输出

Question

这是一个我知道的简单问题,但我对此感到困惑.我试图获得这样的输出;

CourseG, CourseF and CourseE are available

但我的输出是这样的;

CourseE is available
CourseG, CourseF, CourseE are available
CourseF and CourseE are available

我的算法是;

if(a == 1){
    System.out.println("CourseE is available");
}
if(a ==1 && b == 1 && c == 1){
    System.out.println("CourseG, CourseF, CourseE are available");
}
if(a == 1 && b == 1){
    System.out.println("CourseF and CourseE are available");
}
else{
    System.out.println("no available Course");
}

感谢您的关注.

Answer 1

你应该首先检查最大的然后使用elseif语句ex.

if(a ==1 && b == 1 && c == 1){
     System.out.println("CourseG, CourseF, CourseE are available");
}
else if(a == 1 && b == 1){
     System.out.println("CourseF and CourseE are available");
}
else if(a == 1){
     System.out.println("CourseE is available");
}
else{
     System.out.println("no available Course");
}

首先从最大范围开始,然后继续努力.