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via Coderanch by Adrian Bodolan, 2 years ago
java.lang.NullPointerException at NewJFrame.greaterCondition(NewJFrame.java:33) at NewJFrame.equalButtonActionPerformed(NewJFrame.java:290) at NewJFrame.access$000(NewJFrame.java:18) at NewJFrame$1.actionPerformed(NewJFrame.java:127)