fix null
parent
3fd33d0068
commit
deab593bc3
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@ -348,6 +348,9 @@ public class ArenaLogic {
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}
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private String randomSet(Set<String> infos){
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if(infos == null || infos.isEmpty()){
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return null;
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}
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int num = MathUtils.randomInt(infos.size());
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for(String id : infos){
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if(num-- == 0){
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