摘要:
public static void main(String[] args){ fu4(); } public static void fu4(){ String a="asd211"; System.out.print("原函数"+a+" "); String a1=a.replace("1"," 阅读全文
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public static void main(String[] args){ fu3(); } public static void fu3(){ String a="aasadasd"; System.out.print("原函数"+a+" "); String a1=a.toUpperCase 阅读全文
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public static void main(String[] args){ fu2(); } public static void fu2(){ String a="ASSDF"; System.out.print("原函数"+a+" "); String a1=a.toLowerCase(); 阅读全文
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public static void main(String[] args){ fu1(); } public static void fu1(){ String a="asdas"; System.out.print("原函数"+a+" "); char a1=a.charAt(4); Syste 阅读全文
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public static void main(String[] args){ fu(); } public static void fu(){ String a=""; System.out.print("原函数"+a+" "); boolean a1=a.isEmpty(); System.ou 阅读全文
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package zuoye2; public class zuoye1 { public static void main(String[] args) { a(); } public static void a(){ String a1="asdaa12112ADSJADY"; byte[] b= 阅读全文
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package zuoye; public class zuoye2 { public static void main(String[] args) { a(); } public static void a(){ String a1="asdasdasdasdasd"; String a2="a 阅读全文
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package zuoye1; public class zuoye1 { public static void main(String[] args) { a(); } public static void a(){ String a1="aSdAsd"; String a2=a1.substri 阅读全文