Pythonexec()学习

#!/usr/bin/python
import time
print(&＃39;yes.i can&＃39;)
time.sleep(1)
f &＃61; file(&＃39;/home/t.py&＃39;)
while True:line &＃61; f.readline()if(len(line)&＃61;&＃61;1):breakelse:exec(line)
f.close()

package myPcg6;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Arrays;
import java.util.List;import javax.tools.JavaCompiler;
import javax.tools.SimpleJavaFileObject;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;
import javax.tools.JavaCompiler.CompilationTask;public class CompilerTest { public static void main(String[] args) throws Exception { String source &＃61; "public class Main {" &＃43;"public static void main(String[] args) {" &＃43;"System.out.println(\"Hello World!\");" &＃43;"} " &＃43;"}"; JavaCompiler compiler &＃61; ToolProvider.getSystemJavaCompiler();StandardJavaFileManager fileManager &＃61; compiler.getStandardFileManager(null, null, null); StringSourceJavaObject sourceObject &＃61; new CompilerTest.StringSourceJavaObject("Main", source); List fileObjects &＃61; Arrays.asList(sourceObject); CompilationTask task &＃61; compiler.getTask(null, fileManager, null, null, null, fileObjects); boolean result &＃61; task.call(); if (result) { System.out.println("Compile succeeded!"); } else {System.out.println("Compile failed!"); }} static class StringSourceJavaObject extends SimpleJavaFileObject { private String content &＃61; null; public StringSourceJavaObject(String name, String content) throws URISyntaxException { super(URI.create("string:///" &＃43; name.replace(&＃39;.&＃39;,&＃39;/&＃39;) &＃43; Kind.SOURCE.extension), Kind.SOURCE); this.content &＃61; content; } &＃64;Overridepublic CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException { return content; } } }