Webb9 apr. 2024 · JFrame cannot be resolved to a variable / type. The package javax.swing is not accessible. // This is a Tutorial from a Youtube channel "Programmieren lernen". package tutorial; import javax.swing.*; // The youtuber used this package. I tried also with import.javax.swing.JFrame. Both did not work out. WebbThis is caused by. a JAR on the Classpath that contains the package java.awt that also exists in the system library but the; JRE System Library is on the Modulepath; In the Java Platform Module System (JPMS) it is not allowed to use the same package in more than one module. If the Modulepath and the Classpath is used, everything on the Classpath is …
解决方案The package javax.swing is accessible 码农家园
Webb8 maj 2024 · The package javax.swing is not accessible(java GUI 编程时引用swing包和awt包时会报错怎么办) Java GUI 编程时引用swing包和awt包时会报错怎么办一、环境 … Webb24 juli 2024 · The java option --add-opens uses the same syntax as --add-exports and opens the package to deep reflection, meaning all of its types and their members are accessible regardless of their visibility modifiers. You obviously need --add-exports to appease the compiler but gathering --add- exports and --add-opens for the run time has advantages … low profile couch height
错误。org.apache.commons这个包无法访问。 - IT宝库
Webb8 mars 2024 · Now I followed the tutorial and I have the problem that Eclipse is telling me that the package org is not accessible when trying to do. Code: [ Select all] [ Show/ hide] import org.eclipse.swt.SWT ; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; If I try to use the Design Window it's telling me : Webb10 dec. 2024 · Senior Member. Oracle really doesn't want you to access classes in com.sun.tools.javac.api, the corresponding module-info for jdk.compiler declares: Code: [ Select all] [ Show/ hide] exports com.sun.tools.javac.api to jdk.javadoc, jdk.jshell; Ergo, the package is accessible only to those two modules. If you must break these rule (and take … Webb6 juni 2014 · you'll learn about as you go. To illustrate, I'll simply reformat your. code slightly and you'll know what to start looking for: package com.tomyoung.swingsample.intermediate; import javax.swing.JFrame; public class Graphics {. public static void main (String [] args) {. JFrame window = new JFrame (); ... javaw.exe file firewall