示例

public class ClassA {

private int a;
private char x;
private stactic final int VALUE =6;

public ClassA () {
x='c';
}
public ClassA (int in) {
x='c';
}


}


解决方案
至少应该在一个构造函数中初始化非 static 字段

public class ClassA {

private int a;
private char x;
private stactic final int VALUE =6;

public ClassA () {
x='c';
}
public ClassA (int in) {
x='c';
a=in;
}


}