Goto statements: "terrible" goto statements is C and C + + "relic", it is a legitimate part of the C/C + + language technically, but refer to goto statements caused chaos in the program structure, not easy to understand, goto statements are used for unconditional transfer subprogram and multiple branch structure technology, Java does not provide a goto, it specifies the goto as keywords, but does not support the use of it, this make the program more concise and easy to read,