char num = input.next().charAt(0);
//截取指定位置的字符,下标从0开始
System.out.println("helloworld".charAt(0)); //h
System.out.println("helloworld".charAt(1)); //e
System.out.println("helloworld".charAt(9)); //d
System.out.println("helloworld".charAt(5)); //w
Scanner接收字符
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转载自www.cnblogs.com/MRCH/p/11643767.html
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