Java Phases

Question 1

2 parts of a java program

Answer 1

Package and Main method

Question 2

Accessible to all

Answer 2

Public Access Modifier

Question 2

Accessible within class

Answer 2

Private Access Modifier

Question 3

Accessible within members of package and inherits to be accessed

Answer 3

Protected Access Modifier

Question 4

Accessible within the package

Answer 4

Default/ Blank Access Modifier

Question 5

Structure of a method

Answer 5

Access modifier - return type - method name - parameters -body

Question 6

Structure of for loop

Answer 6

(initialization; condition; iteration)

Question 7

Structure of Instantiation

Answer 7

Person name = new  Person();
     |         |            |          |
class - object - key - Constructor
                        word

Question 8

Phases of Java

Answer 8

Text Editor - Test Java - Java Compiler - test class - Java interpreter

Question 9

3 ways to comment

Answer 9

// - Single Line
/* * / - Multi-line
/** * / - Documentation

Question 10

Statement are always terminated by

Answer 10

Semicolon (;)

Question 11

Blocks statement are bounded by

Answer 11

Brackets ({})

Question 12

Identifiers

Answer 12

• Field variables
• Local variables
• Parameters

Question 13

Structure of a variable

Answer 13

< datatype> < names> [= initiating value]

Question 14

Must be nouns and begin with lowercase

Answer 14

Variables

Question 15

Must begin with Uppercase

Answer 15

Classes

Question 16

Verb, Must begin with lowercase

Answer 16

Method

Question 17

literals tokens that do not change

Answer 17

• Boolean Literals
• Integer Literals
• Floating Literals
• Character Literals
• Java Literals

Question 18

Same method name
Different number of parameters
Different return type

Answer 18

Method overloading

Question 19

a concept in Java where a class can have multiple constructors with different parameter lists.

Answer 19

Constructor Overloading