Java Foundations AssociatePractice Test

Describe the Java Development Kit (JDK) and the Java Runtime Environment (JRE)

Describe the components of object-oriented programming

• Describe the components of a basic Java program
• Compile and execute a Java program

• Identify the conventions to be followed in a Java program
• Use Java reserved words

Use single-line and multi-line comments in Java programs

• Import other Java packages to make them accessible in your code
• Describe the java.lang package

• Declare and initialize variables including a variable using final
• Cast a value from one data type to another including automatic and manual promotion

Declare and initialize a String variable

• Use basic arithmetic operators to manipulate data including +, -, *, /, and %
• Use the increment and decrement operators

• Use relational operators including ==, !=, >, >=, <, and <=
• Use conditional operators including &&, ||, and ?

• Use arithmetic assignment operators
• Describe the operator precedence and use of parenthesis

Develop code that uses methods from the String class

Format Strings using escape sequences including %d, %n, and %s

Use the Random class

Use the Math class

• Use the decision making statement (if-then and if-then-else)
• Use the switch statement

• Compare how == differs between primitives and objects
• Compare two String objects by using the compareTo and equals methods

• Describe looping statements
• Use a for loop including an enhanced for loop
• Use a while loop
• Use a do-while loop
• Compare and contrast the for, while, and do-while loops

Develop code that uses break and continue statements

Identify syntax and logic errors

• Use exception handling
• Handle common exceptions thrown
• Use try and catch blocks

Use a one-dimensional array

• Create and manipulate an ArrayList
• Traverse the elements of an ArrayList by using iterators and loops including the enhanced for loop
• Compare an array and an ArrayList

• Create a new class including a main method
• Use the private modifier

• Describe the relationship between an object and its members
• Describe the difference between a class variable, an instance variable, and a local variable

• Develop code that creates an object's default constructor and modifies the object's fields
• Use constructors with and without parameters
• Develop code that overloads constructors

Describe and create a method

Create and use accessor and mutator methods

Create overloaded methods

Describe a static method and demonstrate its use within a program