Android java.lang Integer

Description

Click the following links for the tutorial for java.lang and Integer.

1. Get minimum for three integer without if statements
2. Convert Object to integer
3. Convert str to Integer object, return null if str is null.
4. get Page index from total page count and per page count
5. is Number String by regular expressions: [0-9]*
6. is string a Number
7. is string a hexidecimal number
8. get Format for Distance in unit



9. add Zero for single digit number
10. get Max Num in varied parameters
11. get Mini Positive Number
12. Get int next Power Of 2
13. Convert byte Array To Int

Algorithm

1. get Seek Bar Progress from min/max and current value
2. get Seek Bar Value from progress, min/max value
3. Convert number to Alpabet



4. get integer Ordinal when converting int to string
5. get Int in the middle of a string
6. MD5 calculation via Integer.toHexString
7. Convert int To Byte Array
8. Convert two element byte array to int
9. calculate Phase from step, frequency and sampling rate
10. Calculate next Power Of 2 via bit operation
11. Find out greatest common divisor
12. get Width and Height ratio String
13. convert byte array to integer
14. get Middle Value between two int values
15. Generate random Int within a range
16. is Bit Set
17. is integer Even

Parse

1. Parse string to Integer
2. Parse string To Int
3. parse Int among substring
4. get Int Array from String
5. get Int List Form String
6. Parse string to Int with exception handler
7. get Numbers from a string