JAVA控制台错误
如果我在Netbeans中运行下面的代码 它给了我一个错误:JAVA控制台错误,java,netbeans,Java,Netbeans,如果我在Netbeans中运行下面的代码 它给了我一个错误: Exception in thread "main" java.lang.NullPointerException at Introduction.main(Introduction.java:10) /home/parvel/.cache/netbeans/8.1/executor-snippets/run.xml:53: Java returned: 1 BUILD FAILED (total time: 0 second
Exception in thread "main" java.lang.NullPointerException
at Introduction.main(Introduction.java:10)
/home/parvel/.cache/netbeans/8.1/executor-snippets/run.xml:53: Java returned: 1
BUILD FAILED (total time: 0 seconds).
请帮助java.io.Console对象为空,因为它没有附加任何控制台
尝试从命令行或连接的控制台运行
在这里找到更多关于它的详细信息:您需要使用java-jar myjar.jar从终端运行它
以便使用System.console将此打印文件发送到控制台
您需要将其导出为可运行的jar
然后您可以运行java-jar myjar.jar,它将输出Hallo parvelSystem.console,这在大多数IDE中是不受支持的。它返回null。要打印某些内容:System.out.printlnHallo parvel;太多了,继续祝福太多了,继续祝福
Exception in thread "main" java.lang.NullPointerException
at Introduction.main(Introduction.java:10)
/home/parvel/.cache/netbeans/8.1/executor-snippets/run.xml:53: Java returned: 1
BUILD FAILED (total time: 0 seconds).