Chapter no.3-4 Questions (1)What Do you means by RAD? (2)Define :Event , Message,Listener,Focus (3)What do you means by Tokens (4)What are the types of datatype? (5)Write four numerical data types. (6)What the Byte.parseByte() and nteger.parseInt() function do? (7)What is the difference between print and println function? (8)What do you means by constant? How we declare, write two advantages of constant. (9) What do you means by Coerion? (10) What do you means by type casting? (11)Define: Fall through. (12) What do you means by variable scope? Give example of it. (13) What is the use of break statement in switch case? (14) Write two difference between switch and if. (15) What do you means by Layout Manager? Write three different name of it. (16)write any two function name of the following controls. (1)Textfields (2) Label (3) Lists box (4)combobox (5)radio button (6)Checkbox (17)Write a code to insert any two city name in combobox and List box. (18)Name some top level container. (19)What is a default list model? (20)Which method return n the password entered in a password field? (21)What are there methods used for? (1) isEditable (2)setEditable (3)getEchochar (22)What is the purpose of default clause in switch statement? (23) What is the purpose of break in a loop ? (24)Which method Samit will use to obtain the password from a password (25) By default a combobox does not offer editing feature .How would you make a combobox editable? (26)Write one disadvantage of switch ? (27)What is the purpose of continue statement in a loop. (28)Write a statement to make jtextareat as un-editable.