Term
How do you get the param from a properites file?
(Hint: 4) |
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Definition
1. Have a properites file made.
2. Impl a Properties class.
3. Use FileInputStream to load file.
4. Use the Properties load() to obtain data. |
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Term
| What is the difference between heap and stack? |
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Definition
- Stack memory is used to store local variables and function call.
- Heap memory is used to store objs in Java. |
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Term
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Definition
| A place in memory where your dynamically allocated objs live; such as when you use the new operator. You can allocate a block or free it at any time. |
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Term
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Definition
Memory set aside as scratch space for a thread to execute. When a function is called, a block is reserved (on top) of the stack for local variables. When the function returns, the block becomes unused can can be resued for the next function called.
It is also LIFO. |
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Term
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Definition
| A reusable software component for Java. |
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Term
| What is a static block/initializer? |
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Definition
| It is a block of code to be executed when the class is loaded/initialized. |
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Term
| What happens when you run javac in Command Prompt? |
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Definition
| It creates a .class filetype, which is a binary file. |
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Term
| What datatype is used for monetary value? |
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Definition
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Term
| What is the difference between JDK and JRE? |
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Definition
- JDK(Java Development Kit): use to develop Java based software.
- JRE(Java Runtime Enviroment): an implementation of the JVM, which executes Java Programs. |
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Term
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Definition
| Means the called functions parameter will be a copy of the callers passed arguement. |
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Term
| What is pass-by-reference? |
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Definition
| Means the called functions' parameters will be the same as the callers passed arguments (not the value, but the identity). |
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Term
| What is deadlock in Threading? |
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Definition
| Where two threads cannot procede further. |
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Term
| What is the difference between Exception and Error? |
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Definition
- Error: indicates a serious problems that a reasonable application should not try to catch.
- Exception: indicates conditions that a reasonable application might want to catch. |
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