关于JAVA的题1.关于字符串,下列语句不正确的是________A.String s = new String(”Olympic game”);B.“Welcome to Guangzhou”.indexOf(‘o’); C.String s = “Great Wall”; s.delete(2,5);D.StringBuffer buffer = new StringBuffer(); b
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![关于JAVA的题1.关于字符串,下列语句不正确的是________A.String s = new String(”Olympic game”);B.“Welcome to Guangzhou”.indexOf(‘o’); C.String s = “Great Wall”; s.delete(2,5);D.StringBuffer buffer = new StringBuffer(); b](/uploads/image/z/14824813-13-3.jpg?t=%E5%85%B3%E4%BA%8EJAVA%E7%9A%84%E9%A2%981.%E5%85%B3%E4%BA%8E%E5%AD%97%E7%AC%A6%E4%B8%B2%2C%E4%B8%8B%E5%88%97%E8%AF%AD%E5%8F%A5%E4%B8%8D%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF________A.String+s+%3D+new+String%28%E2%80%9DOlympic+game%E2%80%9D%29%3BB.%E2%80%9CWelcome+to+Guangzhou%E2%80%9D.indexOf%28%E2%80%98o%E2%80%99%29%3B+C.String+s+%3D+%E2%80%9CGreat+Wall%E2%80%9D%3B+s.delete%282%2C5%29%3BD.StringBuffer+buffer+%3D+new+StringBuffer%28%29%3B+b)
关于JAVA的题1.关于字符串,下列语句不正确的是________A.String s = new String(”Olympic game”);B.“Welcome to Guangzhou”.indexOf(‘o’); C.String s = “Great Wall”; s.delete(2,5);D.StringBuffer buffer = new StringBuffer(); b
关于JAVA的题
1.关于字符串,下列语句不正确的是________
A.String s = new String(”Olympic game”);
B.“Welcome to Guangzhou”.indexOf(‘o’);
C.String s = “Great Wall”; s.delete(2,5);
D.StringBuffer buffer = new StringBuffer(); buffer.append(“China”);
请问选什么和原因是?
关于JAVA的题1.关于字符串,下列语句不正确的是________A.String s = new String(”Olympic game”);B.“Welcome to Guangzhou”.indexOf(‘o’); C.String s = “Great Wall”; s.delete(2,5);D.StringBuffer buffer = new StringBuffer(); b
C错了 String哪有delete方法