content: /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.alibaba.jstorm.utils;
  
  /**
   * @author fengjian on 16/10/26.
   */
  public class JDKInfo {
      private static final String JAVA_VERSION = System.getProperty("java.version").toLowerCase();
  
      public static boolean isJdk8() {
          return JAVA_VERSION.split("\\.")[1].equals("8");
      }
  
      public static boolean isJdk7() {
          return JAVA_VERSION.split("\\.")[1].equals("7");
      }
  
      public static boolean lessThanJdk7() {
          return Integer.parseInt(JAVA_VERSION.split("\\.")[1]) < 7;
      }
  
      public static String getFullJavaVersion(){
          return JAVA_VERSION;
      }
      public static void main(String[] args) {
          System.out.println(System.getProperty("java.version"));
          System.out.println(String.valueOf(JDKInfo.isJdk8()));
          System.out.println(String.valueOf(JDKInfo.isJdk7()));
          System.out.println(getFullJavaVersion());
          System.out.println(lessThanJdk7());
      }
  }
  