System.out.println("First eror :: without semicolon ") // first Error System.Out.println("This second error :: OUT object not used proper :: "); //second error class TestCompilation { public static void main(String []args) { System.out.println("Hello no semicolon::")//First Error System.Out.println("Hello out spell not correctely::"); //Second Error } }
每当我通过cmd中的JAVAC命令编译上面的代码时,它只给出第一个错误意味着不给出第二个错误.在java语言中,部分编译器和部分解释器在java中首先进行编译,因此编译器应该列出所有错误,但它只给我一个错误.为什么会这样?我不明白所以请帮我解决这个问题..
我想现在我清楚我的问题意味着编译器完全工作…
为此我创建了一个简单的例子,它将帮助您理解java编译器的工作原理.
class TestCompilation { public static void main(String []args) { Syste.out.rintln("Hello");//First Error Syste.Out.rintln("Hello");//Second Error (Not printed at compiler time because it syntatically correct as in compiler first phase) Hitesh542.add(); //there is no such class called Hitesh542.- but compiler thinks that it is right way to call the method. So it passes the first time. Hitesh542.add()();//Look out here.. There is a problem,that we can't call a method like this..So it will show the error on first lookup. System.otu.println("Hello")//second Errorasdasdas if(); //look this is also an error.- A BASIC Syntax error shown at the first lookup. try{ int i = 10 / 0; } //Third error //So bottom line is the JAVA syntatical errors are checked first i.e The Syntax of JAVA not the classes or objects. //But obv is the first thing is Java Compiler should get the Java class first for compilation on proper path. :) } }