java.lang.NullPointerException

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    • java.lang.NullPointerException at Vocabularymain.zeilegeben2(Vocabularymain.java:75) at Vocabularymain.randladen(Vocabularymain.java:65) at Vocabularymain.dateiladen(Vocabularymain.java:50) at Vocabularymain.gui(Vocabularymain.java:27) at Vocabularymain.run(Vocabularymain.java:21) at java.lang.Thread.run(Thread.java:722)
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