本文介绍了Java Set< String>平等忽视案例的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想通过忽略字母的大小写来检查两组String的所有元素是否相等。
I want to check if all elements of two sets of String are equal by ignoring the letter's cases.
Set<String> set1 ;
Set<String> set2 ;
.
.
.
if(set1.equals(set2)){ //all elements of set1 are equal to set2
//dosomething
}
else{
//do something else
}
但是,此等式检查不会忽略字符串的情况。还有其他方法吗?
However, this equality check doesn't ignore the cases of the string. Is there some other way of doing that?
推荐答案
或者你可以使用 TreeSet
。
public static void main(String[] args){
Set<String> s1 = new TreeSet<String>(String.CASE_INSENSITIVE_ORDER);
s1.addAll(Arrays.asList(new String[] {"a", "b", "c"}));
Set<String> s2 = new TreeSet<String>(String.CASE_INSENSITIVE_ORDER);
s2.addAll(Arrays.asList(new String[] {"A", "B", "C"}));
System.out.println(s1.equals(s2));
}
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