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Update java.md

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Add data types and assignment statements.
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Matías D'Ambrosio 2022-05-11 12:49:19 -03:00 committed by GitHub
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@ -26,11 +26,14 @@ public class HelloWorld {
| Type | Set of values | Values | Operators |
|:-------:|:-----------------------:|:----------------------------:|:---------:|
| short | integers | between -2^15 and + (2^15)-1 | + - * / % |
| int | integers | between -2^31 and + (2^31)-1 | + - * / % |
| double | floating-point numbers | real numbers | + - * / |
| long | integers | between -2^63 and + (2^63)-1 | + - * / % |
| float | integers | real numbers 32 bit | + - * / |
| double | floating-point numbers | real numbers 64 bit | + - * / |
| boolean | boolean values | true or false | && \|\| ! |
| char | characters | | |
| String | sequences of characters | | |
| char | characters | 16 bit | |
| String | sequences of characters |it's not a primitive data type| |
### DECLARATION AND ASSIGNMENT STATEMENTS
@ -44,6 +47,16 @@ a = 13212; //a is the variable name; 13212 is the literal which is assign to the
//Initialization statement
int c = a + b;
//Compound assignment expressions
a += b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a + b
a -= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a - b
a *= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a * b
a /= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a / b
a %= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a % b
a ^= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a ^ b
a &= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a & b
a \|= b; //a is the variable name; b is the variable name; this expression is an equivalent shorthand notation of a = a \| b
```
### COMPARISON OPERATORS