Conversions

1. To convert primitive and Wrapper to String


  String empId1=String.valueOf(empId);
String mob1=String.valueOf(mobileNumber);
String rating1=String.valueOf(rating);
String sal1=String.valueOf(salary);
String gender1=String.valueOf(gender);
String maritalStatus1=String.valueOf(maritalStatus);


2. To convert String to all primitive and wrapper except char


  String a="100";
byte b1=Byte.parseByte(a);
short s1=Short.parseShort(a);
int a1=Integer.parseInt(a);
long l1=Long.parseLong(a);
float f1=Float.parseFloat(a);
double d1=Double.parseDouble(a);
boolean b11=Boolean.parseBoolean(a);
Boolean b12=Boolean.parseBoolean(a);


Note:

1. xxValue()          :      To convert wrapper classes into primitive data types(UnBoxing).
2. String.valueOf():     To convert wrapper classes and primitive data types into String.

3. To convert Wrapper to primitive type.(UnBoxing)


   byte b=empId.byteValue();
short s=empId.shortValue();
int i=empId.intValue();
long l=empId.longValue();
float f=empId.floatValue();
double d=empId.doubleValue();