- method name: helloWorld
        flags: [STATIC]
        method type: ()V
        attributes: [Code]
        code: 
            max stack: 6
            max locals: 0
            attributes: []
            //stack map frame @0: {locals: [], stack: []}
            0: {opcode: GETSTATIC, owner: java/lang/System, field name: out, field type: Ljava/io/PrintStream;}
            3: {opcode: LDC, constant value: Hello world!%n}
            5: {opcode: ICONST_0, constant value: 0}
            6: {opcode: ANEWARRAY, dimensions: 1, descriptor: java/lang/Object}
            9: {opcode: INVOKEVIRTUAL, owner: java/io/PrintStream, method name: printf, method type: '(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;'}
            12: {opcode: GETSTATIC, owner: java/lang/System, field name: out, field type: Ljava/io/PrintStream;}
            15: {opcode: LDC, constant value: Hello world!%n}
            17: {opcode: ICONST_0, constant value: 0}
            18: {opcode: ANEWARRAY, dimensions: 1, descriptor: java/lang/Object}
            21: {opcode: INVOKEVIRTUAL, owner: java/io/PrintStream, method name: printf, method type: '(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;'}
            24: {opcode: GETSTATIC, owner: java/lang/System, field name: out, field type: Ljava/io/PrintStream;}
            27: {opcode: LDC, constant value: Hello world!%n}
            29: {opcode: ICONST_0, constant value: 0}
            30: {opcode: ANEWARRAY, dimensions: 1, descriptor: java/lang/Object}
            33: {opcode: INVOKEVIRTUAL, owner: java/io/PrintStream, method name: printf, method type: '(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;'}
            36: {opcode: GETSTATIC, owner: java/lang/System, field name: out, field type: Ljava/io/PrintStream;}
            39: {opcode: LDC, constant value: Hello world!%n}
            41: {opcode: ICONST_0, constant value: 0}
            42: {opcode: ANEWARRAY, dimensions: 1, descriptor: java/lang/Object}
            45: {opcode: INVOKEVIRTUAL, owner: java/io/PrintStream, method name: printf, method type: '(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;'}
            48: {opcode: RETURN}