Java Terms
A template used to create objects and to define object data types and methods
What is a class?
Use this loop when you need the body to execute at least once, whether or not the condition is true or not
What is Do While Loop?
These data types are used when you need a number with a decimal
What are float & double?
This is a built in class in java that has methods for absolute value, pi, square root, etc.
What is the Math class?
public static void main(String[] args)
What is the Main Method?
The data containers that save the data values during Java program execution.
What is variable?
These are the 3 requirements you need to run a loop?
What are a variable, condition and update (increase or decrease)?
Descriptive text to explain portion of code that is not executed.
What are comments?
This is the class that allows us to get input from the keyboard.
What is the Scanner class?
Method used to extract part of a given String
What is .substring?
The process of combining two or more strings to form a new string by subsequently appending the next string to the end of the previous strings.
What is concatenation?
A count controlled loop with a known starting and ending point and a constant increment or decrement.
What is a for loop?
To print Hello and World on two seperate lines, what lines of code would you use?
What is System.out.println ("hello")
What is System.out.println ("world")
This gives values to instance variables
What is the constructor?
method that returns the character from the specified index
What is .charAt?
This is a set of instructions/commands and statements which is written by a programmer by using a computer programming language.
What is source code?
This loop does not have to run if condition is met
What is while?
This primitive data type cannot be directly converted into a string.
What is boolean?
This is the type of class that changes a String to an int for example.
What is a wrapper class?
Method used to determine if two objects have the same content
What is .equals
You need this to run object code.
What is a JVM (Java Virtual Machine)?
This checks if two numbers are equal or not.
what is "=="?
How you compile a .java file in the Windows Subsystem for Linux.
What is type javac?
This is the changing of a double to an int
What is typecasting?
The substring method starts counting at this number.
What is 0?