다운로드 Oracle : 1Z1-805 질문 & 답 PDF & Test Software

Given the code fragment:
public static void main(String[] args) { Path dir = Paths.get("d:\\company");
// insert code here. Line **
for (Path entry: stream) {
System.out.println(entry.getFileName());
}
} catch (IOException e) {
System.err.println("Caught IOException: " + e.getMessage());
}
}
Which two try statements, when inserted at line 11, enable you to print files with the extensions.java, .htm, end and .jar.

• A. try (DirectoryStream<path> stream = Files.newDirectoryStream(dir, "*.[java, htm, jar"] }} {
• B. try (DirectoryStream<path> stream = Files.newDirectoryStream(dir, "*.{java*, htm*, jar*}"}} {
• C. try (DirectoryStream<path> stream = Files.newDirectoryStream(dir, "**.{java, htm, jar}")) {
• D. try (DirectoryStream<path> stream = Files.newDirectoryStream(dir, "*.{java, htm, jar}")) {

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What statement is true about thread starvation?

• A. Thread "A" is said to be starved when it is blocked waiting for Thread "13," which in turn waiting for Thread "A."
• B. Thread "A" is said to be starved when it is frequently unable to gain access to a resource that it shares with another thread.
• C. When some of the processors in a multi-processor environment go offline and the live thread(s) blocked waiting for CPU cycles, that blocking is referred to as "thread starvation."
• D. Starvation can occur when threads become so busy responding to other threads that they move forward with their other work.

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Which two statements are true about RowSet subinterfaces?

• A. A cachedRowSet provides a connected view of the database.
• B. A jdbcRowSet object provides a JavaBean view of a result set.
• C. A webRowSet returns JSON-formatted data.
• D. A FilteredRowSet object filter can be modified at any time.

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Given the code fragment: SimpleDateFormat sdf = new SimpleDateFormat("zzzz", Locale.US);
System.out.println ("Result: " + sdf.format(today) ) ;
What type of result is printed?

• A. Time of the Epoch (in milliseconds)
• B. Full-text time zone name
• C. Julian date
• D. Time zone abbreviation
• E. Era

Which statement is true about the DSYNC constant defined in standardopenoptions enums?

• A. DSYNC keeps only the file content and not the metadata synchronized with the underlying storage device.
• B. DSYNC keeps only the file metadata and not the file content synchronized with the underlying storage device.
• C. DSYNC keeps the file (both content and metadata) synchronized with the underlying storage device.
• D. DSYNC keeps the file (both content and metadata) de-synchronized with copies in the und< storage device.

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