Test.java
package com.journaldev.files;
public class Test {
public static void main(String[] args) {
System.out.println("Start");
for(String str : args){
System.out.println(str);
}
}
}
CompileRunJavaProgram.java
package com.journaldev.files;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
public class CompileRunJavaProgram {
public static void main(String[] args) {
try {
runProcess("pwd");
System.out.println("**********");
runProcess("javac -cp src src/com/journaldev/files/Test.java");
System.out.println("**********");
runProcess("java -cp src com/journaldev/files/Test Hi Pankaj");
} catch (Exception e) {
e.printStackTrace();
}
}
private static void printLines(String cmd, InputStream ins) throws Exception {
String line = null;
BufferedReader in = new BufferedReader(
new InputStreamReader(ins));
while ((line = in.readLine()) != null) {
System.out.println(cmd + " " + line);
}
}
private static void runProcess(String command) throws Exception {
Process pro = Runtime.getRuntime().exec(command);
printLines(command + " stdout:", pro.getInputStream());
printLines(command + " stderr:", pro.getErrorStream());
pro.waitFor();
System.out.println(command + " exitValue() " + pro.exitValue());
}
}
运行结果：
pwd stdout: /Users/pankaj/CODE/JavaPrograms pwd exitValue() 0 ********** javac -cp src src/com/journaldev/files/Test.java exitValue() 0 ********** java -cp src com/journaldev/files/Test Hi Pankaj stdout: Start java -cp src com/journaldev/files/Test Hi Pankaj stdout: Hi java -cp src com/journaldev/files/Test Hi Pankaj stdout: Pankaj java -cp src com/journaldev/files/Test Hi Pankaj exitValue() 0
转自：http://www.journaldev.com/937/how-to-compile-and-run-java-program-in-another-java-program
