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{
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g.drawString(¡°*¡±,i,(int)(Math.sin(i)*20)+50);
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}
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long t1 = System.currentTimeMillis();
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long t2 = System.currentTimeMillis() ;
long time = t2-t1;
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NumberFormat nf=NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(2);
nf.setMinimumFractionDigits(2);
nf.format(numb);
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tc.setMaxWidth(200); //ÉèÖøÃÁÐ×î´ó¿í¶È
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41. ÎÊ£ºÎÒµÄapplet code ÖÐÓõ½jbutton ʱ¾Í³ö´íÊÇ·ñÓÉÓÚie²»Ö§³Öswing package ÇëÎÊÓ¦Ôõô°ì£¿
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PreparedStatement pstmt = conn.prepareStatement(¡°insert into foo(time) values( )¡±);
pstmt.setDate(1,sqlDate);
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46. ÎÊ£ºÔõÑùÈ¥µô×Ö·û´®Ç°ºóµÄ¿Õ¸ñ¡£
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