(转) java 字符串String 转换成 布尔型boolean

java 字符串String(true) 转换成 布尔型boolean
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public class Test {
public static void main(String []arg){
String s = "true";

boolean b = Boolean.valueOf("true").booleanValue();
System.out.println(b);

boolean b1 = Boolean.valueOf(s).booleanValue();
System.out.println(b1);

boolean b2 = Boolean.parseBoolean(s);
System.out.println(b2);

Boolean bb = new Boolean(s);
boolean b3 = bb.booleanValue();
System.out.println(b3);
}
}