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4 cards from this section. Quick, good the night before a test.
What is the syntax for declaring a variable in Java?
Think about how you define a variable's data type.
Can you initialize a variable after declaring it?
Remember the two steps involved.
What does 'int age = 18;' demonstrate?
Think about what happens when you assign a value.
True or False: Variables need to be initialized before they can be used in Java.
Consider what happens if you forget to set a variable's value.
You are building a program that tracks the temperature. Write a variable declaration followed by its initialization for temperature in a Java program. Additionally, explain what might happen if you forget to initialize.
Focus on the flow of data within your program and errors that may occur.
Write a Java code snippet that demonstrates both successful and failed initialization of variables. Explain the observed behavior.
Consider differences in variable states at the point of execution.
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