Question

I have following fields

a(String)
b(String)
c(String)
d(boolean)
e(boolean)

Is it possible to have them all in an Enum like following?

public enum Fields {
  a("A")
  b("B")
  c("C")
  d(true)
  e(false)
}

Answer 1

You can have them but you should define constructors which takes String or boolean as parameters.

public enum Constants {

CONSTANT_STRING1("CONSTANT_VALUE1"), 
CONSTANT_STRING2("CONSTANT_VALUE2"), 
CONSTANT_STRING3("CONSTANT_VALUE3");
CONSTANT_FLAG1(false);
CONSTANT_FLAG2(true);

private String constants;
private boolean flag;

private Constants(String cons) {
this.constants = cons;
}

private Constants(boolean lFlag) {
this.flag= lFlag;
}
}