Operations with binary literals in Java 7

BinarySpec.groovy

import spock.lang.Specification

class BinarySpec extends Specification {

    def "binary operations in java 7"() {
        expect:
        0b1000_0000 == 128          // binary literal
        0b1000_0000 + 0b1 == 129    // binary addition
        1025 + 0b100 == 1029        // addition of decimal and binary
        1025 + 0b100 == 0b100_0000_0101     // comparing result to binary
        1024 << 2 == 4096                   // left shift by two bits
        0b1000_1111 << 2 == 0b10_0011_1100  // left shift with binary
        (0b1000_0000 ^ 0b0100_0000)  == 0b1100_0000  // XOR
        (0b1000_0000 | 0b0100_0000)  == 0b1100_0000  // OR
        (0b1000_0000 & 0b1111_1111)  == 0b1000_0000  // AND
        ((~0b1000_0000) & 0b1111_1111) == 0b0111_1111 // NEGATION with a bitmask
    }


}