Cheatography
https://cheatography.com
NumbersByte mybyte = 2; | 8bits / 1byte | Short myshort = 200; | 16bits / 2byte | Int my int = 1000000; | 32bits / 4byte | Long mylong = 999999 | 64bits / 8byte | Double my double = 1.5; | 64bits / 8byte | Float myfloat = 1.5; | 32bits / 4byte |
| | ObjectClass | a blue print for an object | Object | a instance of a class | Package | Organization of class |
SwapPublic class Main {
public static void swap(int[] list, int e1, int e2){
int temp;
temp = list[e1];
temp = list[e2];
list[e2] = list[e1];
list[e1] = temp;
for (int i : list){
System.out.println(i);
}
}
public static void main(String[] args) {
int[] mylist = new int[]{1,2,3,4,5};
swap(mylist, 1, 2);
}
}
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| | VocabProgram Execution | Running program | Java Bytecodes | the instruction set of the Java virtual machine. | Java Virtual Machine (JVM) | an abstract computing machine that enables a computer to run a Java program. |
FunctionSystem.out.print() | print | System.out.println() | print in the same line | public static | modifier | int | return type | charAt() | Returns the character at the specified index. | Booleans. | True of False |
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