Java IO Tutorial - Java JarFile(String name, boolean verify) Constructor


JarFile(String name, boolean verify) constructor from JarFile has the following syntax.

public JarFile(String name,  boolean verify)  throws IOException


In the following code shows how to use JarFile.JarFile(String name, boolean verify) constructor.

//w  w  w  . j  av a 2s .  com
import java.util.Iterator;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;

public class Main {
  public static void main(String[] argv) throws Exception {
    JarFile jarfile = new JarFile("filename.jar", true);

    Manifest manifest = jarfile.getManifest();

    Attributes attrs = (Attributes) manifest.getMainAttributes();

    for (Iterator it = attrs.keySet().iterator(); it.hasNext();) {
      Attributes.Name attrName = (Attributes.Name);

      String attrValue = attrs.getValue(attrName);