檢視Java Binary File編譯版本
方法一: >javap -verbose Employee Compiled from "Employee.java" public class test.Employee extends java.lang.Object SourceFile: "Employee.java" minor version: 0 major version: 50 Constant pool: .....
方法二: 使用文字工具開啟class檔案,檢視前面的binary code javac -target 1.1 ==> CA FE BA BE 00 03 00 2D
javac -target 1.2 ==> CA FE BA BE 00 00 00 2E
javac -target 1.3 ==> CA FE BA BE 00 00 00 2F
javac -target 1.4 ==> CA FE BA BE 00 00 00 30 看起來新版本就往下推最後一碼了... :P
方法一: >javap -verbose Employee Compiled from "Employee.java" public class test.Employee extends java.lang.Object SourceFile: "Employee.java" minor version: 0 major version: 50 Constant pool: .....
方法二: 使用文字工具開啟class檔案,檢視前面的binary code javac -target 1.1 ==> CA FE BA BE 00 03 00 2D
javac -target 1.2 ==> CA FE BA BE 00 00 00 2E
javac -target 1.3 ==> CA FE BA BE 00 00 00 2F
javac -target 1.4 ==> CA FE BA BE 00 00 00 30 看起來新版本就往下推最後一碼了... :P