Compound Assignment Operators
SAP NetWeaver 7.54 introduces shorthand versions for arithmetic assignments and string concatenation. These assignments also allow expressions in the operand position.
x += 1. " short
x = x + 1. " long
x -= 1. " short
x = x - 1. " long
x *= 1. " short
x = x * 1. " long
x /= 1. " short
x = x / 1. " long
x &&= `abc`. " short
x = x && `abc`. " long