Java 一元运算符'+';

Java 一元运算符'+';,java,netbeans,Java,Netbeans,我目前正在处理一个包含多个student对象的模块类,并遇到以下问题- 一元运算符“+”的操作数类型字符串错误 我将感谢任何帮助,我的代码如下 public class Module { private String moduleTitle; int percentageCoursework; int percentageExam; private Student studentsList[] = new Student[3]; public Module (String moduleTitl

我目前正在处理一个包含多个student对象的模块类,并遇到以下问题-

一元运算符“+”的操作数类型字符串错误

我将感谢任何帮助,我的代码如下

public class Module {
private String moduleTitle;
int percentageCoursework;
int percentageExam;
private Student studentsList[] = new Student[3];

public Module (String moduleTitle, int percentageCoursework, int percentageExam,String     studentOne, String studentTwo, String studentThree, String studentsTitles[])
{        
this.moduleTitle = moduleTitle;
this.percentageCoursework = percentageCoursework;
this.percentageExam = percentageExam;
this.studentsList[0].name = studentOne;
this.studentsList[1].name = studentTwo;
this.studentsList[2].name = studentThree;

}
            public void ShowDetails()
{
    System.out.println("moduleTitle : " + moduleTitle + 
            "\n percentageCoursework : " + percentageCoursework + 
            "\n percentageExam : " + percentageExam + 
            +studentsList[0].name+studentsList[1].name+studentsList[2].name);

    }
} 

最后一行开头有一个额外的
+

谢谢!这正是我需要的。
percentageExam + +studentsList[0].name+studentsList[1].name

             //  ^^  Two "+" side by side.
percentageExam + +studentsList[0].name+studentsList[1].name

             //  ^^  Two "+" side by side.