bonjour tous le monde ,j'ai un programme en java ,lors de la compilation il m'affiche:
D:\NetBeans_projects\excelpj\src\pfe\testing.java:74: cannot resolve symbol
symbol : class GroupLayout
location: package swing
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
D:\NetBeans_projects\excelpj\src\pfe\testing.java:74: cannot resolve symbol
symbol : class GroupLayout
location: package swing
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
D:\NetBeans_projects\excelpj\src\pfe\testing.java:80: cannot resolve symbol
symbol : class GroupLayout
location: package swing
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 372, javax.swing.GroupLayout.PREFERRED_SIZE)
D:\NetBeans_projects\excelpj\src\pfe\testing.java:80: cannot resolve symbol
symbol : class GroupLayout
location: package swing
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 372, javax.swing.GroupLayout.PREFERRED_SIZE)
D:\NetBeans_projects\excelpj\src\pfe\testing.java:77: cannot resolve symbol
symbol : class Alignment
location: package GroupLayout
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
D:\NetBeans_projects\excelpj\src\pfe\testing.java:87: cannot resolve symbol
symbol : class GroupLayout
location: package swing
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 104, javax.swing.GroupLayout.PREFERRED_SIZE)
D:\NetBeans_projects\excelpj\src\pfe\testing.java:87: cannot resolve symbol
symbol : class GroupLayout
location: package swing
.addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 104, javax.swing.GroupLayout.PREFERRED_SIZE)
D:\NetBeans_projects\excelpj\src\pfe\testing.java:84: cannot resolve symbol
symbol : class Alignment
location: package GroupLayout
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
merci d'avance