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14 Cards in this Set
- Front
- Back
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Instance Variables Live: |
On the Heap |
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Object Live: |
On the Heap |
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Local Variables Live: |
On the Stack |
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Integer Literal Types |
decimal, octal, hexadecimal, binary |
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Numeric Literals with Underscores Rules |
Cannot start or end with underscore Cannot have underscore next to decimal |
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Numeric Integer Literal Prefixes |
Decimal: None Binary: 0b or 0B Octal: 0 Hexadecimal: 0x or 0X |
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Floating Point Literal Rules |
float must end in f double can end in d or not (default) |
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Boolean Literal Rules |
Must be true or false, cannot be number, or anything else |
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Character Literal Rules |
Single character embraced in single quotes Or, Unicode value, preceded by \u |
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Non-Primitive Literals |
String Array |
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Cast |
Change type of variable or expression |
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Primitive Assignment to Another Primitive Variable |
Only the literal is copied, no reference to first variable, basically an Identical copy |
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Wrapper Object |
Object that stores a literal. Denoted by capital letter, like Integer(6) or Double(3.4) |
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Reference Assignment to Another Reference Variable |
The "pointer" (reference to location on the heap) is copied, so the new variable points at the same object |
