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via Oracle Community by 807553, 1 year ago
This exception has no message.
java.lang.NullPointerException at terms.Terms$SortCompareTerms.compare(TermsApp.java:237) at java.util.Arrays.mergeSort(Arrays.java:1181) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.mergeSort(Arrays.java:1188) at java.util.Arrays.sort(Arrays.java:1128) at terms.Terms.<init>(TermsApp.java:117) at terms.TermsApp.main(TermsApp.java:15)