binary string to decimal code example

Example 1: binary string to int java

int decimal=Integer.parseInt(binaryString,2);

Example 2: binary to int java

int foo = Integer.parseInt("1001", 2); // 2 is the radix

Example 3: binary to decimal

= (11001010)2
= 1x27+1x26+0x25+0x24+1x23+0x22+1x21+0x20
= 128+64+0+0+8+0+2+0
= (202)10