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add java13

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samples/modern-java/src/com/waylau/java/jdk13
- SwitchExpressionsDemo.java
- TextBlocksDemo.java

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Lines changed: 54 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,54 @@`
	`1`	`+/**`
	`2`	`+ * Welcome to https://waylau.com`
	`3`	`+ */`
	`4`	`+packagecom.waylau.java.jdk13;`
	`5`	`+`
	`6`	`+importstaticjava.util.Calendar.*;`
	`7`	`+`
	`8`	`+`
	`9`	`+/**`
	`10`	`+ * JDK13: Switch Expressions (Preview)`
	`11`	`+ * JEP 354: http://openjdk.java.net/jeps/354`
	`12`	`+ *`
	`13`	`+ * @since 1.0.0 2019年9月19日`
	`14`	`+ * @author <a href="https://waylau.com">Way Lau</a>`
	`15`	`+ */`
	`16`	`+classSwitchExpressionsDemo {`
	`17`	`+`
	`18`	`+/**`
	`19`	`+ * @param args`
	`20`	`+ */`
	`21`	`+@SuppressWarnings("preview")`
	`22`	`+publicstaticvoidmain(String[]args) {`
	`23`	`+varday =SATURDAY;`
	`24`	`+`
	`25`	`+// JDK12之前`
	`26`	`+switch (day) {`
	`27`	`+caseMONDAY:`
	`28`	`+caseFRIDAY:`
	`29`	`+caseSUNDAY:`
	`30`	`+System.out.println(6);`
	`31`	`+break;`
	`32`	`+caseTUESDAY:`
	`33`	`+System.out.println(7);`
	`34`	`+break;`
	`35`	`+caseTHURSDAY:`
	`36`	`+caseSATURDAY:`
	`37`	`+System.out.println(8);`
	`38`	`+break;`
	`39`	`+caseWEDNESDAY:`
	`40`	`+System.out.println(9);`
	`41`	`+break;`
	`42`	`+}`
	`43`	`+`
	`44`	`+// JDK12之后`
	`45`	`+switch (day) {`
	`46`	`+caseMONDAY,FRIDAY,SUNDAY ->System.out.println(6);`
	`47`	`+caseTUESDAY ->System.out.println(7);`
	`48`	`+caseTHURSDAY,SATURDAY ->System.out.println(8);`
	`49`	`+caseWEDNESDAY ->System.out.println(9);`
	`50`	`+}`
	`51`	`+`
	`52`	`+}`
	`53`	`+`
	`54`	`+}`

Lines changed: 36 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,36 @@`
	`1`	`+/**`
	`2`	`+ * Welcome to https://waylau.com`
	`3`	`+ */`
	`4`	`+packagecom.waylau.java.jdk13;`
	`5`	`+`
	`6`	`+/**`
	`7`	`+ * JEP 355: Text Blocks (Preview)`
	`8`	`+ * JEP 355: http://openjdk.java.net/jeps/355`
	`9`	`+ *`
	`10`	`+ * @since 1.0.0 2019年9月19日`
	`11`	`+ * @author <a href="https://waylau.com">Way Lau</a>`
	`12`	`+ */`
	`13`	`+classTextBlocksDemo {`
	`14`	`+`
	`15`	`+/**`
	`16`	`+ * @param args`
	`17`	`+ */`
	`18`	`+publicstaticvoidmain(String[]args) {`
	`19`	`+// JDK13之前`
	`20`	`+Stringhtml ="<html>\n" +`
	`21`	`+" <body>\n" +`
	`22`	`+" <p>Hello, world</p>\n" +`
	`23`	`+" </body>\n" +`
	`24`	`+"</html>\n";`
	`25`	`+`
	`26`	`+// JDK13之后`
	`27`	`+Stringhtml2 ="""`
	`28`	`+ <html>`
	`29`	`+ <body>`
	`30`	`+ <p>Hello, world</p>`
	`31`	`+ </body>`
	`32`	`+ </html>`
	`33`	`+ """;`
	`34`	`+}`
	`35`	`+`
	`36`	`+}`

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